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Periodic   /pˌɪriˈɑdɪk/   Listen
Periodic

adjective
1.
Happening or recurring at regular intervals.  Synonym: periodical.
2.
Recurring or reappearing from time to time.  Synonym: occasional.



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"Periodic" Quotes from Famous Books



... seventeenth century the tobacco planters were plagued with the problem of overproduction and low prices. To add to their woes the entire eighteenth century was one of periodic wars either in Europe or in America, or both. King William's War ended in 1697 and the following year tobacco prices soared to twenty shillings per hundred pounds and prices remained good for the next few years. The outbreak ...
— Tobacco in Colonial Virginia - "The Sovereign Remedy" • Melvin Herndon

... of overindulgence arises from two natural causes. In the first place an interest is essentially self-perpetuating; in spite of periodic moments of satiety, an interest fulfilled is renewed and accelerated. Just in so far as it is clearly distinguished it possesses an impetus of its own, by which it tends to excess, until corrected by the protest of some other interest which ...
— The Moral Economy • Ralph Barton Perry

... once every twenty-four hours. We have now to discuss the remarkable theories by which Ptolemy endeavoured to account for the monthly movement of the moon, for the annual movement of the sun, and for the periodic movements of the planets which had gained for them the ...
— Great Astronomers • R. S. Ball

... pulsing like a wound, while she made a pretence at doing justice to the little dinner party, which had been especially concocted for her under Virginie's watchful eye, and responded in some sort to Coppertop's periodic outbreaks of jubilation ...
— The Lamp of Fate • Margaret Pedler

... thus far discovered some 85 elements. In order to complete the list of 92, to conform to the so-called Periodic Table, there are yet seven elements to be found by your scientists. On Mars the most elementary school pupil is well informed on the subject, and has knowledge of the complete list among the new elements ...
— The Planet Mars and its Inhabitants - A Psychic Revelation • Eros Urides and J. L. Kennon

... periodic droughts; the volcanic Virunga mountains are in the northwest along the border with Democratic Republic of ...
— The 2001 CIA World Factbook • United States. Central Intelligence Agency.

... whilst the whole instalment of L3 10s. is raised, not only above the rate of the Act of 1903, but also above the rates, diminished by decadal reductions, of purchasers under still earlier Acts. This again, in view of these reductions and of periodic revisions of rent under the Land Law Act of 1881, is fatal to purchase. (3) The bonus of L12,000,000—on the application of which all parties agreed in 1903—was diverted from the unanimous policy of that year and brought in aid of Mr. Dillon's hobby, which all parties ...
— Against Home Rule (1912) - The Case for the Union • Various

... suddenly ceases. To deny that this is to them a real concert would lead us into extreme absurdities. In this connection it is interesting to note that when a baby is expected in the village, all music ceases until after its birth, when they again resume their periodic musical festivals. Hensel verifies this observation, and tells us of having seen apes come from their shelter in the early morning and congregate for a musical concert. "They repair," he says, "to the shelter of some gigantic monarch ...
— The Human Side of Animals • Royal Dixon

... "Periodic drunk. Goes for weeks without touching the stuff, then he goes out on a binge that lasts for ...
— Nor Iron Bars a Cage.... • Gordon Randall Garrett

... full of wandering philosophers who appear to have been atheistic and disposed to uphold the boldest paradoxes, intellectual and moral. There must however have been constructive elements in their doctrine, for they believed in reincarnation and the periodic appearance of superhuman teachers and in the advantage of following an ascetic discipline. They probably belonged chiefly to the warrior caste as did Gotama, the Buddha known to history. The Pitakas represent him as ...
— Hinduism and Buddhism, Vol I. (of 3) - An Historical Sketch • Charles Eliot

... companion in some amusement. Scott, who was a man of little education, had periodic spells of promiscuous reading, and frequently surprised his friend ...
— Across the Mesa • Jarvis Hall

... conditions of life are favourable, are subject to periodical fits of gladness affecting them powerfully and standing out in vivid contrast to their ordinary temper. And we know what this feeling is—this periodic intense elation which even civilized man occasionally experiences when in perfect health, more especially when young. There are moments when he is mad with joy, when he cannot keep still, when his impulse is to sing ...
— The Naturalist in La Plata • W. H. Hudson

... periodic character of this disease it was considered to be a supernatural complaint and hence many unnatural cures were suggested, among which were a number of amulets. The Abracadabra amulet was supposed to be especially efficacious in ague. The chips of a gallows put into ...
— Three Thousand Years of Mental Healing • George Barton Cutten

... lay, of certain prepositions, of punctuation, etc. He should study the general character of each sentence, its divisions and subdivisions, the relations of the independent and the dependent parts, and their connection, order, etc. He should note the periodic structure of some of these sentences—of (4) or (19), for instance—the meaning of which remains in suspense till near or at the close. He should note in contrast the loose structure of others—for example, the last sentence ...
— Higher Lessons in English • Alonzo Reed and Brainerd Kellogg

... whether periodic like the tides or unforeseen like the hurricane, is in general superficial and temporary; but the social movement in China has its origin in subterranean forces such as raise continents from the bosom of the deep. To explain those ...
— The Awakening of China • W.A.P. Martin

... 52.1), one of the metallic chemical elements, the name being derived from the fine colour (Gr. [Greek: chroma]) of its compounds. It is a member of the sixth group in the periodic classification of the elements, being included in the natural family of elements containing molybdenum, tungsten and uranium. The element is not found in the free state in nature, nor to any large extent in combination, occurring chiefly as ...
— Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 3 - "Chitral" to "Cincinnati" • Various

... course of time. Nothing was normal in Ireland, and any breath of economic change in the outside world reacted cruelly on the wretched subject class, which produced, though it did not enjoy, the greater part of the wealth of the kingdom. Under an accumulation of hardships famine was periodic, and from 1760, when the first Whiteboys appeared, disorder in one degree or another was chronic. The motive, it is universally agreed now, was material, not religious. The Whiteboys of the south and west were the counterparts of the Protestant Steelboys ...
— The Framework of Home Rule • Erskine Childers

... at eight bells of the middle watch—midnight, you know—and swore that a big rat had bitten him as he lay asleep. We laughed at him, even though he showed four bloody little holes in his wrist. But, three weeks later, that man was raving around the deck, going into periodic convulsions, frothing at the mouth, and showing every symptom that had preceded the death of the skipper. He died in the same horrible agony, and we realized that not only the skipper, but the rat bitten by the dog had been inoculated with the virus, and that the rat could inoculate other ...
— The Grain Ship • Morgan Robertson

... sends down to them every spring and autumn, are now productive of only a little coarse wiry grass and thistles, and the dried soil is white with saline efflorescence. At the present day the value of land in the neighbourhood of Arles that is subject to periodic inundation is three times that of the land guarded by costly embankments against the bounties of ...
— In Troubadour-Land - A Ramble in Provence and Languedoc • S. Baring-Gould

... dividing the slowly rotating polar regions from the more rapid rotation near the solar equator," he said slowly, rather pedantically, but as though talking to himself, "should have far more effective control over solar phenomena than the periodic unbalance created by the off-center gravitic fields when the inner planets bunch on the same side ...
— Where I Wasn't Going • Walt Richmond

... Pakistan; Baloch question with Iran and Pakistan; periodic disputes with Iran over Helmand water rights; insurgency with Iranian and Pakistani involvement; traditional ...
— The 1991 CIA World Factbook • United States. Central Intelligence Agency.

... nuisance. In vain The Pilot tried to win him with loans of books and magazines and other kindly courtesies. He would be decent for a day and then would break forth in violent argumentation against religion and all who held to it. He sorely missed The Duke, who was away south on one of his periodic journeys, of which no one knew anything or cared to ask. The Duke's presence always steadied Bruce and took the rasp out of his manners. It was rather a relief to all that he was absent from the next fortnightly service, ...
— The Sky Pilot • Ralph Connor

... office revising for the seventh time the last will and testament of the Widow Weatherwax. It was the seventh revision of her third last will and testament, to speak by the card, for the widow had a bent for will-making, which the lawyer had noticed was of periodic intensity. Once, in a moment of drollery, he entered a jocose memorandum in the "tickler," under the first week-day of several successive months: "Revise Mrs. Weatherwax's will;" and such was his foresight that twice only during that ...
— The Henchman • Mark Lee Luther

... Reserve the food material appropriated by the kangaroo rat during good years is inappreciable. There is such an excess of forage grass produced that all the rodents together make very little difference. But with the periodic recurrence of lean years, when drought conditions are such that little or no grass grows, the effects of rodent damage not only become apparent, but may be a critical factor determining whether a given number of domestic animals can be grazed on the ...
— Life History of the Kangaroo Rat • Charles T. Vorhies and Walter P. Taylor

... immemorial the influence of musical sounds has been recognized as a valuable agent in the treatment of nervous affections, and for the relief of various mental conditions. According to one theory, the healing quality of a musical tone is due to its regular periodic vibrations. It acts by substituting its own state of harmony for a condition of mental or physical discord. Noise, being inharmonious, has no curative power. Music may be termed the health and ...
— Primitive Psycho-Therapy and Quackery • Robert Means Lawrence

... man struggles with his captors; it then sinks and breaks forth triumphantly, largo maestoso, as he discourses on the future greatness of Genoa. The whole written, invented, and entirely stage-managed by Il Signore Fetto, Director of Periodic Festivities to the Genoese Republic. . . . To be serious, ladies, allow me to present to you four fellow-lodgers from—er— Porto Fino, whom I have invited to share our repast. What ho! without, there! A brazier! Fazio—slave—to the macaroni! Bianca, trip to the cupboard and fetch forth the ...
— Sir John Constantine • Prosper Paleologus Constantine

... fools are really no better than rogues, as far as practical purposes are concerned. Bowne once found a man who was honest and also knew furs, but alas! he had a passion for drink, and no prophet could foretell his "periodic," until it occurred. ...
— Little Journeys to the Homes of the Great, Volume 11 (of 14) - Little Journeys to the Homes of Great Businessmen • Elbert Hubbard

... annalists; as he proceeds in his work he falls into his stride, and advances with a movement as certain as that of Gibbon, and claimed by Roman critics as comparable in ease and grace to that of Herodotus. The periodic structure of Latin prose which had been developed by Cicero is carried by him to an even greater complexity, and used with a greater daring and freedom; a sort of fine carelessness in detail enhancing the large and continuous excellence of his broad effect. Even ...
— Latin Literature • J. W. Mackail

... Yet they must surely have been connected with religion in some way or other. Possibly they were not constructed once and for all, but the stones were added gradually, each marking some event or the performance of some periodic ceremony, or even the death of some great chief. The so-called "Canaanite High Place" recently found at Gezer consists of a line of ten menhirs running north and south, together with a large block in which was a ...
— Rough Stone Monuments and Their Builders • T. Eric Peet

... ninety-five out of a thousand guineas to the Duchess of Marlborough, informing her that the professional fee with the general retainer was neither more nor less than five guineas. The annual salary of a Queen's Counsel in past times was in fact a fee with a general retainer; but this periodic payment is no longer made to ...
— A Book About Lawyers • John Cordy Jeaffreson

... Maryland, which it reached in 1850. There had been some public opposition to the project and it was never a great success even after completion, for the railroad era had begun and the Canal suffered periodic heavy damage from Potomac floods, being finally abandoned to picturesque decay after a ...
— The Nation's River - The Department of the Interior Official Report on the Potomac • United States Department of the Interior

... wanting in purity and simplicity. The divine character of both figures is due to Brahmanism rather than Buddhism, but the new form of worship which laid stress on a frame of mind rather than on ceremonial and the idea of Avataras or the periodic appearance of superhuman saviours and teachers indicate the influence of Buddhism ...
— Hinduism And Buddhism, Volume II. (of 3) - An Historical Sketch • Charles Eliot

... general and searching examination of those parts of the Coral Sea which are likely to be traversed by ships steering for Torres Strait, you will be obliged to regulate your movements by the periodic changes of the weather and monsoons—probably beginning to windward, and dropping gently to leeward by close and well-arranged traverses, and by spreading out your three vessels to a convenient distance apart. This great expanse of sea, which may be said to stretch from Lord Howe's ...
— Narrative Of The Voyage Of H.M.S. Rattlesnake, Commanded By The Late Captain Owen Stanley, R.N., F.R.S. Etc. During The Years 1846-1850. Including Discoveries And Surveys In New Guinea, The Louisiade • John MacGillivray

... pleasures. The pains of poverty I had lately seen too much of, more than I wished to remember; but the pleasures of the poor, their consolations of spirit, and their reposes from bodily toil, can never become oppressive to contemplate. Now Saturday night is the season for the chief, regular, and periodic return of rest of the poor; in this point the most hostile sects unite, and acknowledge a common link of brotherhood; almost all Christendom rests from its labours. It is a rest introductory to another rest, and divided by a whole day and two nights from the renewal ...
— Confessions of an English Opium-Eater • Thomas De Quincey

... the brilliant meteors of November the 13th, 1833. If such meteors are periodic, the discovery was made by Professor Olmsted; and Mr. Herrick, of New Haven, has added valuable suggestions. The idea that observers, differently placed at the time of appearance and disappearance of the same meteor, would give the means of determining ...
— Continental Monthly , Vol. 6, No. 1, July, 1864 - Devoted to Literature and National Policy. • Various

... radioactivity and deadly emanation has yet to be explained. The chemical experts have a startling theory. They suspect there is a new element here—probably destined to occupy one of the last unfilled places of the Periodic Table, which chronicles all the elements known to science. Chemical analysis fails to reach the radio-active properties, and for their examination the electroscope and spinthariscope are needful. With these the radio-chemists are at work. The wire melted at ...
— The Grey Room • Eden Phillpotts

... income. Such an arrangement often does the parents a great deal of good, putting their minds at rest, for they feel they can call on the doctor in all reasonable emergencies, ask him all necessary questions, expect periodic visits to their baby, and receive all necessary vaccinations and immunizations for a fee they can afford. The sum may be paid in monthly or ...
— The Good Housekeeping Marriage Book • Various

... its own back-yard. Periodic wars are fought, a few thousand of the enemy are dissolved with ray guns, after which the factions retire by common consent and throw a banquet at which the losing country is forced to take the wives of the visitors, which is a twist not ...
— Mars Confidential • Jack Lait

... drawers gaped as though from surprise at their hasty evacuation. He made a survey of the whole premises and then went through again from cellar to garret checking off his sister's queries. There was something disconcerting in the intense silence of the place broken only by the periodic thump of the sea at the ...
— Blacksheep! Blacksheep! • Meredith Nicholson

... fruition being such an integral factor in the marriage and every other sex relation, the average woman is prone to study the periodic manifestations that go with it quite as one dependent on the weather—a sailor, or example—might study the barometer. In this Aileen was no exception. She was so beautiful herself, and had been so much to Cowperwood physically, that she had followed the corresponding ...
— The Titan • Theodore Dreiser

... thirty miles to the far side of the Tagliamento at Latisana. And as they hauled, they sang, until they were too tired to go on singing, and could only raise, from time to time, their rhythmical periodic cry of ...
— With British Guns in Italy - A Tribute to Italian Achievement • Hugh Dalton

... them so was, seeing with what serenity the builder stood three hundred feet in air, upon an unrailed perch. This none but he durst do. But his periodic standing upon the pile, in each stage of its growth—such ...
— The Piazza Tales • Herman Melville

... of time the cultural influences emanating from the Tigro-Euphrates valley reached far-distant shores along the intersecting avenues of trade, and in consequence of the periodic and widespread migrations of peoples who had acquired directly or indirectly the leavening elements of Mesopotamian civilization. Even at the present day traces survive in Europe of the early cultural impress of the East; our "Signs of the Zodiac", for instance, ...
— Myths of Babylonia and Assyria • Donald A. Mackenzie

... month of steady fasting; the body accomplishes enormously more in 7 or l4 days of consecutive fasting, than 7 or 14 days of fasting accumulated sporadically, such as one day a week. This is not to say that regular short fasts are not useful medicine. Periodic day-long fasts have been incorporated into many religious traditions, and for good reason; it gives the body one day a week to rest, to be free of digestive obligations, and to catch up on garbage disposal. I heartily recommend it. But it takes many years of unfailingly regular brief fasting ...
— How and When to Be Your Own Doctor • Dr. Isabelle A. Moser with Steve Solomon

... interest; but what my memory dwells upon the most, I have been all this while withholding. It was a sport peculiar to the place, and indeed to a week or so of our two months' holiday there. Maybe it still flourishes in its native spot; for boys and their pastimes are swayed by periodic forces inscrutable to man; so that tops and marbles reappear in their due season, regular like the sun and moon; and the harmless art of knucklebones has seen the fall of the Roman empire and the rise of the United States. It may ...
— Across The Plains • Robert Louis Stevenson

... inconsistency which I have pursued in varying the rendering of long sentences, periodic or loose, according to external modifying conditions, may be observed also in certain other features of the book. For I have felt obliged to allow inconsistency of letter in the hope of approaching a ...
— Dio's Rome, Volume 1 (of 6) • Cassius Dio

... the distance scarcely exceeded 4". Burnham was the last to catch sight of it with the Lick telescope in that year. After that no human eye saw it until 1896, when it was rediscovered at the Lick Observatory. Since then the distance has gradually increased to nearly 5". According to Burnham, its periodic time is about fifty-three years, and its nearest approach to Sirius should have taken place in the middle of 1892. Later calculations reduce the periodic time to forty-eight or forty-nine years. If we can not see the companion ...
— Pleasures of the telescope • Garrett Serviss

... that if in the nineteenth century anyone had uttered such a thought as that, he'd have felt the blight of a Dominant; that Materialistic Science was a jealous god, excluding, as works of the devil, all utterances against the seemingly uniform, regular, periodic; that to defy him would have brought on—withering by ridicule—shrinking away by publishers—contempt of friends and family—justifiable grounds for divorce—that one who would so defy would feel what unbelievers in ...
— The Book of the Damned • Charles Fort

... small but cheerful. She was a middle-aged woman, much younger than her husband—with an ironic half-dreamy eye, and a native intelligence much superior to her surroundings. She was suffering from a chronic abscess in the neck, which had strange periodic swellings and subsidences, all of which were endlessly interesting to its possessor. Mrs. Halsey, indeed, called the abscess "she," wrapped it lovingly in red flannel, describing the evening dressing of it as "putting her to bed," and talked of "her" qualities and oddities ...
— Harvest • Mrs. Humphry Ward

... companies provide on their Web sites. Filtering software companies will entertain requests for recategorization from proprietors of Web sites that discover their sites are blocked. Because new pages are constantly being added to the Web, filtering companies provide their customers with periodic updates of category lists. Once a particular Web page or site is categorized, however, filtering companies generally do not re-review the contents of that page or site unless they receive a request to do so, even though the content on individual Web pages and sites changes frequently. ...
— Children's Internet Protection Act (CIPA) Ruling • United States District Court for the Eastern District of Pennsylvania

... first place, the great majority of fossil animals and plants are "extinct"—that is to say, they belong to species which are no longer in existence at the present day. So far, however, from there being any truth in the old view that there were periodic destructions of all the living beings in existence upon the earth, followed by a corresponding number of new creations of animals and plants, the actual facts of the case show that the extinction of old forms and the introduction of new forms have been ...
— The Ancient Life History of the Earth • Henry Alleyne Nicholson

... among us, so much the worse for our country. And perish no doubt it will; only here in rustic solitude can one forget the changes that have already made the day less sacred to multitudes. With it will vanish that habit of periodic calm, which, even when it has become so largely void of conscious meaning, is, one may safely say, the best spiritual boon ever bestowed upon a people. The most difficult of all things to attain, the most difficult of all to preserve, the supreme benediction ...
— The Private Papers of Henry Ryecroft • George Gissing

... Defense Johnson was also optimistic, but he warned Gordon Gray that many complex problems remained and asked the Army for periodic reports. His request only emphasized the fact that the Army's new regulation lacked the machinery for monitoring compliance with its provisions for integration. As the history of the Gillem Board era demonstrated, any attempt to change the Army's traditions demanded not only exact definition ...
— Integration of the Armed Forces, 1940-1965 • Morris J. MacGregor Jr.

... has become habitual and periodic, it is very obstinate, and requires persistent treatment—often for ...
— A Newly Discovered System of Electrical Medication • Daniel Clark

... way to a fit of jollity. But, indeed, there was nothing wonderful about it. On the contrary, it was perfectly natural—perfectly true to the instincts of the human soul—to be thus stirred: joy and sorrow following each other in periodic succession—as certainly as day follows night, or fair ...
— The Cliff Climbers - A Sequel to "The Plant Hunters" • Captain Mayne Reid

... actually exhibit; would acquire, each round its own axis, a rotatory movement; and would in that state revolve, as the planets actually do, about the sun, in the same direction with the sun's rotation, but with less velocity, and each of them in the same periodic time which the sun's rotation occupied when his atmosphere extended to that point; and this also M. Comte has, by the necessary calculations, ascertained to be true, within certain small limits of error. There is thus in Laplace's theory nothing hypothetical; ...
— Blackwood's Edinburgh Magazine, No. CCCXXXVI. October, 1843. Vol. LIV. • Various

... he would think it over. Next morning he announced, to Merlin's great delight, that he was going to put into effect a project long premeditated—he was going to retire from active work in the bookshop, confining himself to periodic visits and leaving Merlin as manager with a salary of fifty dollars a week and a one-tenth interest in the business. When the old man finished, Merlin's cheeks were glowing and his eyes full of tears. He seized his employer's hand and shook it violently, ...
— Tales of the Jazz Age • F. Scott Fitzgerald

... The periodic disappearance of their arrows, and the strange pranks perpetrated by unseen hands, had wrought them to such a state that life had become a veritable burden in their new home, and now it was that Mbonga and his head men began to talk of abandoning ...
— Tarzan of the Apes • Edgar Rice Burroughs

... of active participation shortly thereafter and Don Woods became the SAIL contact for the File (which was subsequently kept in duplicate at SAIL and MIT, with periodic resynchronizations). ...
— THE JARGON FILE, VERSION 2.9.10

... is the responsibility of Australia; periodic visits by the Royal Australian Navy and ...
— The 2002 CIA World Factbook • US Government

... heroic stages of the campaign, ranged from about 55,000 men to 15,000, with every intermediate graduation. It is impossible to trace the vicissitudes of an army which lost, regained, then lost again fifty per cent. of its strength within a week. Nor is a periodic enumeration of vital military interest. With the Boers the numbers actually present in the fighting line were not, as with European troops, the measure of their effective force. For the Boer, whether ...
— History of the War in South Africa 1899-1902 v. 1 (of 4) - Compiled by Direction of His Majesty's Government • Frederick Maurice

... and Saturn. Other memoirs followed, one in 1749 and another in 1750, with further expansions of the same subject. As some slight errors were found in these, such as a mistake in some of the formulae expressing the secular and periodic inequalities, the academy proposed the same subject for the prize of 1752. Euler again competed, and won this prize also. The contents of this memoir laid the foundation for the subsequent demonstration ...
— A History of Science, Volume 3(of 5) • Henry Smith Williams

... another unit, the lovers pace the sand. Yet there is one least common multiple in which all move. This the producing genius should sense and make part of the dramatic structure, and it would have its bearing on the periodic appearance of the minor ...
— The Art Of The Moving Picture • Vachel Lindsay

... It is, indeed, so notoriously lax in this respect that when we touched at ports in Dutch Borneo, the Celebes, and Java, the mere fact that we had come from British North Borneo caused the health officers to view us with grave suspicion. When we were in Sandakan the town was undergoing a periodic visitation of that deadliest and most terrifying of all Oriental diseases, bubonic plague. As it is transmitted by the fleas on plague-infested rats, we took the precaution, when we went ashore, of wearing boots and breeches or of ...
— Where the Strange Trails Go Down • E. Alexander Powell

... or note again, a too common converse weakness of economic theory, its inadequate inductive [Page: 70] verification. Or finally, in the column of "Place," the long weakness of geography as an educational subject, yet is periodic renewal upon the field of war, is indicated. We might in fact continue such a comparison of the existing world of action and of ideas, into all the schools, those of thought and practice, no less than those of formal instruction; and thus we should more and more clearly unravel how ...
— Civics: as Applied Sociology • Patrick Geddes

... sums to ensure special advantages of education and care for the immature children of himself and others, and in this manner also exercise a posthumous right. [Footnote: But a Statute of Mortmain will set a distinct time limit to the continuance of such benefactions. A periodic revision of endowments is a necessary feature in any ...
— A Modern Utopia • H. G. Wells

... these will be treated according to established principles or will remain mysterious. A germinal conception of natural law will arise from the observation of periodically occurring phenomena (such as the rising and setting of the sun, periodic rains, tides) and familiar facts of everyday life, as, for example, the habits of men and other animals. Everything outside this sphere will be ascribed to extrahuman agency—so ...
— Introduction to the History of Religions - Handbooks on the History of Religions, Volume IV • Crawford Howell Toy

... times. These constitute what are now known as the first and second laws of Kepler. Eight years subsequently, he was rewarded by the discovery of a third law, defining the relation between the mean distances of the planets from the sun and the times of their revolutions; "the squares of the periodic times are proportional to the cubes of the distances." In "An Epitome of the Copernican System," published in 1618, he announced this law, and showed that it holds good for the satellites of Jupiter ...
— History of the Conflict Between Religion and Science • John William Draper

... the air of the court and lent a romance to the lamplight, the cooks in their paper caps and white blouses appearing at odd moments from an Avernus behind; while the prompt 'v'la!' of teetotums in mob caps, spinning down the staircase in answer to the periodic clang of bells, filled her with wonder, and pricked her conscience with thoughts of how seldom such transcendent nimbleness was attempted by herself in ...
— The Hand of Ethelberta • Thomas Hardy

... the elements could be filed away in the order of their atomic weights so that one could see just how a certain element, known or unknown, would behave from merely observing its position in the series. Mendeleef, a Russian chemist, devised the most ingenious of such systems called the "periodic law" and gave proof that there was something in his theory by predicting the properties of three metallic elements, then unknown but for which his arrangement showed three empty pigeon-holes. Sixteen years ...
— Creative Chemistry - Descriptive of Recent Achievements in the Chemical Industries • Edwin E. Slosson

... are caused by sun currents' pressure forcing the suck currents at a great speed, and forces the comet current to pass through sun currents. Some comets pass in and out of their sun currents at regular intervals and are called periodic, i.e., its orbit is ...
— ABC's of Science • Charles Oliver

... periodic fertigation will greatly increase yield and size of fruit. The old indeterminate sprawlers will produce through an entire summer without any supplemental moisture, but yield even more in ...
— Gardening Without Irrigation: or without much, anyway • Steve Solomon

... murdered by Marcia's orders, in her presence, with the Emperor's consent; Marcia got on well with the Empress, there was no jealousy between them, Crispina was glad to have someone who could soothe Commodus in his periodic rages and humor him when he sulked; every possible variety of story about Crispina was told, but every tale represented Marcia as undisputed and indisputable mistress of the Palace and ...
— Andivius Hedulio • Edward Lucas White

... are the chief:—(1) Never discharge below a potential difference of 1.85 (or in rapid discharge, 1.8) volt. (2) Never leave the cells discharged, if it be avoidable. (3) Give the cells a special full charging once a month. (4) Make a periodic examination of each cell, determining its E.M.F., density of acid, the condition of its plates and freedom from growth. Any incipient growth, however small, must be carefully watched. (5) If any cell shows signs of weakness, keep it ...
— Project Gutenberg Encyclopedia

... that all these things represent extravagant luxuries unheard of upon the tables of any but the nobility until within the past two hundred, and in some cases, one hundred, years. Up to three hundred years ago even the most highly civilized countries of Europe were subject to periodic attacks of famine; our armies and navies were swept and decimated with scurvy, from bad and rotten food-supplies; almost every winter saw epidemics breaking out from the use of half-putrid salted and cured foods; only forty years ago, a careful investigation of ...
— Preventable Diseases • Woods Hutchinson

... analysis of sexual phenomena, is that they bring before us, under varying aspects, a characteristic which, though often ignored, is of the first importance in obtaining a clear understanding of the facts: the tendency of the sexual impulse to appear in a spontaneous and to some extent periodic manner, affecting women differently from men. This is a tendency which, later, I hope to make still more apparent, for it has practical and social, as well as psychological, implications. Here—and more especially ...
— Studies in the Psychology of Sex, Volume 1 (of 6) • Havelock Ellis

... citizens, while people everywhere were flying or preparing for flight, many even in such haste as to leave their houses open and valuables exposed to the depredations of servants or the mob. Perhaps no more fearful scene of confusion was ever witnessed outside of Paris when in the throes of a periodic revolution. It was a novelty then for an American city to be captured or to fall into the hands of an enemy, and the people had some very queer notions about defending it to the last, and fighting the enemy with all sorts ...
— The Narrative of a Blockade-Runner • John Wilkinson

... very difficult at present to suggest an end product for thorium, unless we assume that, by loss of electrons, thorium E, or thorium-lead, reverts to a substance chemically identical with thorium itself. Such a change—whether considered from the point of view of the periodic law or of the radioactive theory would involve many interesting consequences. It is, of course, quite possible that the nature of the conditions attending the deposition of the uranium ores, many of which are comparatively recent, are responsible ...
— The Birth-Time of the World and Other Scientific Essays • J. (John) Joly

... which you decline to take," he went on, giving a shake to Davidson's hand. "But I am touched by your humanity." Another shake. "Believe me, I am profoundly aware of having been an object of it." Final shake of the hand. All this meant that Heyst understood in a proper sense the little Sissie's periodic appearance ...
— Victory • Joseph Conrad

... pointed out everything, talking a mixture of French and Greek; showed us the Bible on the altar, a beautiful silver covered tome, the various pictures, etc., and the pulpit of the "Episcopos". "Oh, the bishop," said I. "No, no, Castro Episcopos." He meant the Bishop, who perhaps pays the place periodic visits, his palace being in Castro, the largest town on the island. A candle—a mere taper—had been lighted for each of us on entering, and was set in a circular candlestick. For this performance we were expected to pay of course. Before ...
— The Incomparable 29th and the "River Clyde" • George Davidson

... Utica and Hudson show that the waters of the sea now became clouded with mud washed in from land. Either the land was gradually uplifted, or perhaps there had arrived one of those periodic crises which, as we may imagine, have taken place whenever the crust of the shrinking earth has slowly given way over its great depressions, and the ocean has withdrawn its waters into deepening abysses. The land was thus left relatively higher and bordered ...
— The Elements of Geology • William Harmon Norton

... emitted by a Level 2 Ethernet transceiver at the end of every packet to show that the collision-detection circuit is still connected. 2. A periodic synchronization signal used by software or hardware, such as a bus clock or a periodic interrupt. 3. The 'natural' oscillation frequency of a computer's clock crystal, before frequency division down to the machine's clock ...
— The Jargon File, Version 4.0.0

... and ever since 1827 it has been accumulating for itself an evil reputation for unhealthiness which is only languishing just at present because there is an interval between its epidemics—fever in Fernando Po, even more than on the mainland, having periodic outbursts of a more serious type than the normal intermittent and remittent of the Coast. Moreover, Fernando Po shares with Senegal the undoubted yet doubtful honour of having had regular yellow fever. In 1862 and 1866 this disease was imported by a ship that had come ...
— Travels in West Africa • Mary H. Kingsley

... orbits by the same laws which regulated the motions of the planets, yet it was difficult to put this opinion to the test of observation. The visibility of comets only in a small part of their orbits rendered it difficult to ascertain their distance and periodic times; and as their periods were probably of great length, it was impossible to correct approximate results by repeated observations. Newton, however, removed this difficulty by showing how to determine the orbit of a comet, namely, the form and position of the orbit, ...
— The Great Events by Famous Historians, Volume 12 • Editor-In-Chief Rossiter Johnson

... hardly organic. She was the victim of periodic and raging neuralgic fires that could sweep the right side of her head and down into her shoulder blade with a great crackling and blazing of nerves. It was not unusual for her daughter Alma to sit up the one or two ...
— The Best Short Stories of 1921 and the Yearbook of the American Short Story • Various

... as a repeating series of time intervals. Events which occur in such a series are said to have rhythm. In aesthetics, it is the periodic recurrence of stress, emphasis, or accent in the movements of dancing, the sounds of music, the language of poetry. Subjectively it is the quality of stimulation due to a succession of impressions (tactual and auditory are most favorable) ...
— The Psychology of Beauty • Ethel D. Puffer

... class with small-pox—that is, into the class of preventable diseases. It is perfectly possible, with the reorganization of business and finance that is bound to come about, to take the ill effect of seasons, if not the seasons, out of industry, and also the periodic depressions. Farming is already in process of reorganization. When industry and farming are fully reorganized they will be complementary; they belong together, not apart. As an indication, take our valve plant. We established it eighteen miles ...
— My Life and Work • Henry Ford

... Orange—founded in the time of Marcus Aurelius and abandoned, two hundred years later, when the Northern barbarians overran the land—seems destined to arise reanimate from its ruins and to be the scene of periodic performances by the Comedie Francaise: the first dramatic company of Europe playing on the noblest stage in the world. During the past five-and-twenty years various attempts have been made to compass this happy end. Now—as ...
— The Christmas Kalends of Provence - And Some Other Provencal Festivals • Thomas A. Janvier

... brought the strength of all New England to the field and ended in his own destruction. In New York, the relations with the Indians, especially with the Algonquins and the Mohawks, were marked by periodic and desperate wars. Virginia and her Southern neighbors suffered as did New England. In 1622 Opecacano, a brother of Powhatan, the friend of the Jamestown settlers, launched a general massacre; and in 1644 he attempted a war ...
— History of the United States • Charles A. Beard and Mary R. Beard

... geological freak had formed the mineral. Venus was a strange planet anyway. But that didn't matter. The important thing now was to get to know this process. He went off into a happy mist of quantum mechanics, oscillation theory, and periodic ...
— Security • Poul William Anderson

... probable that, just as Prof. Carnelley has shown by the use of my meta-chromatic scale, the colors of chemical compounds come under definite laws, which he has discovered and formulated in connection with Mendeleeff and Newlaud's periodic law,[2] so, likewise, may the solubility of an allied group of compounds, in regard to any given solvent under constant conditions of temperature, conform to similar laws; that, e.g., the chlorides of H, Na, Cu, and Ag, in Mendeleeff's Group I., may vary in their solubility in water ...
— Scientific American Supplement, No. 561, October 2, 1886 • Various

... the instinct of workmanship is followed by more disastrous results. A Bohemian whose little girl attended classes at Hull-House, in one of his periodic drunken spells had literally almost choked her to death, and later had committed suicide when in delirium tremens. His poor wife, who stayed a week at Hull-House after the disaster until a new tenement could be arranged for her, one day showed me a gold ring which her husband had made ...
— Twenty Years At Hull House • Jane Addams

... that the radius-vector, or imaginary line joining the centre of the planet and the centre of the Sun, describes equal areas in equal times. The third law, which relates to the connection between the periodic times and the distances of the planets, was not discovered until ten years later, when Kepler, in 1619, issued another work, called the 'Harmonies of the World,' dedicated to James I. of England, in which was ...
— The Astronomy of Milton's 'Paradise Lost' • Thomas Orchard

... mechanic forces is another example. What we gain in power is lost in time, and the converse. The periodic or compensating errors of the planets is another instance. The influences of climate and soil in political history are another. The cold climate invigorates. The barren soil does not breed fevers, ...
— Essays, First Series • Ralph Waldo Emerson

... establishments. One of the rules applied to the management of this vast multitude that were every day candidates for admission was, that to save the endless trouble as well as risk, perhaps, of opening and shutting the main gates to every successive arrival, periodic intervals were fixed for the admission by wholesale; and as these periods came round every two hours, it would happen at many parts of the day that vast crowds accumulated waiting for the next opening of the gate. These crowds were assembled in two or three large outer courts, ...
— Narrative And Miscellaneous Papers • Thomas De Quincey

... time, of space, and of weight, and of a whole consisting of equal parts, or in other words of number and of a numeral system. The most obvious bases presented by nature for this purpose are, in reference to time, the periodic returns of the sun and moon, or the day and the month; in reference to space, the length of the human foot, which is more easily applied in measuring than the arm; in reference to gravity, the burden which ...
— The History of Rome (Volumes 1-5) • Theodor Mommsen

... probability was that the new planet would be twice the distance of Herschel,—and as Herschel's distance is 1,800,000 miles, the new planet's would be 3,600,000. Having approximated its distance, what is its periodic time?—for if he can once get its periodic time, he can trace it out without difficulty. According to the third of Kepler's laws, as the square of the period of Herschel is to the square of the period of the unknown planet, so is the cube of the distance of Herschel to the cube of the distance ...
— American Scenes, and Christian Slavery - A Recent Tour of Four Thousand Miles in the United States • Ebenezer Davies

... his grave one hundred and fifty years ere England had secreted choice material enough for the making of another great poet. The nature of men living together in societies, as of the individual man, seems to have its periodic ebbs and floods, its oscillations between the ideal and the matter-of-fact, so that the doubtful boundary line of shore between them is in one generation a hard sandy actuality strewn only with such remembrances of beauty as a dead sea-moss here and there, and in the next ...
— Among My Books • James Russell Lowell

... sacrifices with the periodical slaying of a representative of the vegetation-spirit has been maintained by Mannhardt and Dr. Frazer.[933] As has been seen, periodic sacrifices for the fertility of the land are mentioned by Caesar, Strabo, and Diodorus, human victims and animals being enclosed in an osier image and burned.[934] These images survive in the osier effigies just referred to, while they may also be connected with the custom ...
— The Religion of the Ancient Celts • J. A. MacCulloch

... seriously—a fault fatal to the claim at once. Indeed, the truth is that while this attitude has in some periods been very rare, it cannot be said to be the peculiar, still less the universal, characteristic of any period. It is a personal not a periodic distinction; and there are persons who might make out a fair claim to it even in the depths of the Middle Ages or of ...
— Essays in English Literature, 1780-1860 • George Saintsbury

... was married to a man who besides being a brutal drunkard was subject to periodic fits of insanity. Every year or two he would be taken to the lunatic asylum for a few weeks or months, and then discharged. And every time on his discharge he would celebrate his liberty by impregnating his wife. ...
— Woman - Her Sex and Love Life • William J. Robinson

... even whilst he yet held it in his hand: That the sycomor ran at the root, which some days before yielded no sap from his branches; the experiment made at the end of March: But the accurate knowledge of the nature of sap, and its periodic motions and properties in several trees, should be observed by some at entire leisure to attend it daily, and almost continually, and will require more than any one person's industry can afford: For it must be enquir'd ...
— Sylva, Vol. 1 (of 2) - Or A Discourse of Forest Trees • John Evelyn

... of negative electricity about one one-thousandth part of the hydrogen atom. Matter is made up of electricity and nothing but electricity. Let us see what that leads to. You are acquainted with Mendeleeff's periodic table?" ...
— Master Tales of Mystery, Volume 3 • Collected and Arranged by Francis J. Reynolds

... criminology, which was then in its initial stages. It was in 1885, when I had the opportunity to outline the first principles of the positive school of criminology, at the invitation of other students, who preceded you on the periodic waves of the intellectual generations. And the renewal of this opportunity gave me so much moral satisfaction that, I could not under any circumstances decline your invitation. Then too, the Neapolitan Atheneum has maintained the reputation of the Italian ...
— The Positive School of Criminology - Three Lectures Given at the University of Naples, Italy on April 22, 23 and 24, 1901 • Enrico Ferri

... forgotten, that one could reach India by a water route much shorter and safer than the caravan roads through central Asia. [22] Somewhat later a Greek sailor, named Harpalus, found that by using the monsoons, the periodic winds which blow over the Indian Ocean, he could sail direct from Arabia to India without laboriously following the coast. The Greeks, in consequence, gave ...
— EARLY EUROPEAN HISTORY • HUTTON WEBSTER

... have the right to assume that if Draba and violets and [519] others have formerly mutated in this way, other species must at present be in the same changeable condition. And if mutations in groups, or such periodic mutations should be the rule, it is to be premised that these periods recur from time to time, and that many species must even now be in mutating condition, while others ...
— Species and Varieties, Their Origin by Mutation • Hugo DeVries

... he was a periodic drunkard: he was both more and less than that. Like many another man, Henry Gridley lived a double life; or, perhaps it would be nearer the truth to say that there were two Henry Gridleys. Lidgerwood, the Dawsons, the little world of Angels at ...
— The Taming of Red Butte Western • Francis Lynde

... practice, had been given only a month before and upon Kent's return from eight months' service in the Judge Advocate General's Department in France. Apparently his warning had fallen on deaf ears and Rochester was indulging in another periodic spree, for so Kent concluded, recalling the unsteady penmanship of the note handed to him by ...
— The Red Seal • Natalie Sumner Lincoln

... "live just by eatin' odds and ends off the pantry shelf any old way." Mrs. Jackson entertained no illusions in regard to her husband, and she trusted Hepsey implicitly. So, after Mrs. Jackson's mortal departure, Hepsey made periodic calls on Jonathan, which always gave him much pleasure until she became inquisitive about his methods of housekeeping; then ...
— Hepsey Burke • Frank Noyes Westcott

... a number of universities and professional scientific organizations that have considered UFO phenomena during periodic meetings and seminars. A list of private organizations interested in aerial phenomena may be found in Gale's Encyclopedia of Associations. Interest in and timely review of UFO reports by private groups ensures that sound evidence is not overlooked by the scientific ...
— USAF Fact Sheet 95-03 - Unidentified Flying Objects and Air Force Project Blue Book • United States Air Force

... faction' (says Captain Rock) here and you have the wisdom of our rulers, at the end of near six centuries, in statu quo. The grand periodic year of the stoics, at the close of which everything was to begin again, and the same events to be all reacted in the same order, is, on a miniature scale, represented in the history of the English Government in Ireland, every succeeding century being but a new revolution of the same follies, the ...
— Peter Plymley's Letters and Selected Essays • Sydney Smith

... allow such an idea to end here. If a woman is so highly charged with spiritual infection as to be dangerous at certain frequently recurring periods, she may be more or less dangerous between these periods. As Havelock Ellis says: "Instead of being regarded as a being who at periodic intervals becomes the victim of a spell of impurity, the conception of impurity becomes amalgamated with the conception of woman; she is, as Tertullian puts it, Janua diaboli; and this is the attitude which still persisted in medieval days."[71] This is ...
— Religion & Sex - Studies in the Pathology of Religious Development • Chapman Cohen

... Massey, as, indeed, nobody could help doing; and for her sake, had there been no separate interest surrounding the young lord, it would have been most painful to her that through Lord Carbery's absence a periodic tedium should oppress her guest at that precise season of the day which traditionally dedicated itself to genial enjoyment. Glad, therefore, was she that an ally had come at last to Laxton, who might arm her purposes of hospitality with some ...
— Memorials and Other Papers • Thomas de Quincey

... Mackenzie surveyed her charge with satisfaction. Baubie looked subdued, contented, perhaps grateful, and was decidedly uncomfortable. Every vestige of the picturesque was gone, obliterated clean by soap and water, and Kate's hair-comb, a broken-toothed weapon that had come off second best in its periodic conflicts with her own barley-mow, had disposed for ever of the wild, curly tangle of hair. Her eyes had red rims to them, caused by superfluous soap and water, and in its present barked condition, when all the dirt was gone, Baubie's face ...
— Lippincott's Magazine of Popular Literature and Science, Vol. XXVI., December, 1880. • Various



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