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Velocity   Listen
noun
Velocity  n.  (pl. velocities)  
1.
Quickness of motion; swiftness; speed; celerity; rapidity; as, the velocity of wind; the velocity of a planet or comet in its orbit or course; the velocity of a cannon ball; the velocity of light. Note: In such phrases, velocity is more generally used than celerity. We apply celerity to animals; as, a horse or an ostrich runs with celerity; but bodies moving in the air or in ethereal space move with greater or less velocity, not celerity. This usage is arbitrary, and perhaps not universal.
2.
(Mech.) Rate of motion; the relation of motion to time, measured by the number of units of space passed over by a moving body or point in a unit of time, usually the number of feet passed over in a second. See the Note under Speed.
Angular velocity. See under Angular.
Initial velocity, the velocity of a moving body at starting; especially, the velocity of a projectile as it leaves the mouth of a firearm from which it is discharged.
Relative velocity, the velocity with which a body approaches or recedes from another body, whether both are moving or only one.
Uniform velocity, velocity in which the same number of units of space are described in each successive unit of time.
Variable velocity, velocity in which the space described varies from instant to instant, either increasing or decreasing; in the former case called accelerated velocity, in the latter, retarded velocity; the acceleration or retardation itself being also either uniform or variable.
Virtual velocity. See under Virtual. Note: In variable velocity, the velocity, strictly, at any given instant, is the rate of motion at that instant, and is expressed by the units of space, which, if the velocity at that instant were continued uniform during a unit of time, would be described in the unit of time; thus, the velocity of a falling body at a given instant is the number of feet which, if the motion which the body has at that instant were continued uniformly for one second, it would pass through in the second. The scientific sense of velocity differs from the popular sense in being applied to all rates of motion, however slow, while the latter implies more or less rapidity or quickness of motion.
Synonyms: Swiftness; celerity; rapidity; fleetness; speed.






Collaborative International Dictionary of English 0.48








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"Velocity" Quotes from Famous Books



... sex could mitigate. The instant they came in sight of each other, they threw up their heads, brandished their fore-legs, and each waited the attack. They did not, however, long remain in this posture; for the boldest throwing open his wings with the velocity of lightning, rushed at the other, and ...
— The Mirror of Literature, Amusement, and Instruction - Vol. 14, Issue 398, November 14, 1829 • Various

... huge, sweeping river of wind of which I have spoken had, as it appears, whirlpools within it which were as monstrous as itself. Without a moment's warning I was dragged suddenly into the heart of one. I spun round for a minute or two with such velocity that I almost lost my senses, and then fell suddenly, left wing foremost, down the vacuum funnel in the centre. I dropped like a stone, and lost nearly a thousand feet. It was only my belt that kept me in my seat, and the shock and breathlessness left me hanging half-insensible ...
— Tales of Terror and Mystery • Arthur Conan Doyle

... far more rapid pace, come three other of my acquaintance, the two pretty girls and the young man, unseasonably interrupted in their walk. Their footsteps are supported by the risen dust,—the wind lends them its velocity,—they fly like three sea-birds driven landward by the tempestuous breeze. The ladies would not thus rival Atalanta if they but knew that any one were at leisure to observe them. Ah! as they hasten onward, laughing in the angry face of nature, a sudden catastrophe has chanced. At the corner where ...
— Sights From A Steeple (From "Twice Told Tales") • Nathaniel Hawthorne

... which the expression of a note or passage shall require will by this means be easy and certain; and you will be able to execute with your bow whatever you please. After this, in order to acquire that light pulsation and play of the wrist, from whence velocity in bowing arises, it will be best for you to practise every day one of the Allegros, of which there are three in Corelli's Solos, which entirely move in semiquavers. The first is in D, in playing which you should accelerate ...
— The Violin - Its Famous Makers and Their Imitators • George Hart

... with great velocity, but becomes fainter as it recedes from the source from which it eminates; in other words, diverging rays of light diminish in intensity as the square of the distance increases. For instance let a fig. 1, represent the luminous body from which light proceeds, and suppose three square boards, ...
— The History and Practice of the Art of Photography • Henry H. Snelling

... stilted. When he warns a heroine against an error of judgment by shouting, "'Tis the madness of the fawn who gazes with adoration on the lurid glare of the anaconda's eye," or murmurs, "Farewell, my lovely bird; I'll soon return to pillow in thy nest," we need all the stimulus of his irony and his velocity to carry us over such marshlands of ...
— Some Diversions of a Man of Letters • Edmund William Gosse

... secondary. The secondary motions are those, which are given to or received from other matter in motion. Their laws have been successfully investigated by philosophers in their treatises on mechanic powers. These motions are distinguished by this circumstance, that the velocity multiplied into the quantity of matter of the body acted upon is equal to the velocity multiplied into the quantity of matter of ...
— Zoonomia, Vol. I - Or, the Laws of Organic Life • Erasmus Darwin

... temperature the frost forces it to throw out its salinity on the surface, and this itself freezes into pretty salt flowers, resembling hoar-frost. The temperature is between 38 deg. Fahr. and 40 deg. Fahr. below zero (-39 deg. C. to -40 deg. C), but when there is added to this a biting wind, with a velocity of from 9 to 16 feet per second, it must be allowed that it is rather 'cool in ...
— Farthest North - Being the Record of a Voyage of Exploration of the Ship 'Fram' 1893-1896 • Fridtjof Nansen

... some illustrations of this railway which has recently excited so much technical interest in Europe and America, and which threatens to revolutionize both the method and velocity of traveling, if only the initial expense of laying the line can be brought within moderate limits. A short line of railway has been laid in Paris, and we have there examined it, and traveled over the line more than once; so that we can testify to the smoothness and ease of the motion. Sir ...
— Scientific American Supplement, No. 717, September 28, 1889 • Various

... "Come along, Ormiston." And seizing his friend by the arm, he hurried along with a velocity rather uncomfortable, considering they both wore cloaks, and the night was excessively sultry. The gloomy vehicle and its fainting ...
— The Midnight Queen • May Agnes Fleming

... latitudes, is nearly the same in the Atlantic and in the Pacific, and may be estimated at nine or ten miles in twenty-four hours, consequently from 0.59 to 0.65 of a foot every second! In those latitudes the waters run towards the west with a velocity equal to a fourth of the rapidity of the greater part of the larger rivers of Europe. The movement of the ocean in a direction contrary to that of the rotation of the globe, is probably connected with this last phenomenon only as far as the rotation converts into trade winds* (* The ...
— Equinoctial Regions of America • Alexander von Humboldt

... Sir William Watson fired gunpowder by an electric spark, and, later on, a party from the Royal Society, in conjunction with Watson, conducted a series of experiments to determine the velocity of the electric fluid, as it ...
— Electricity for Boys • J. S. Zerbe

... circulation. For the stomach, and all other parts of the system, being more sensible and more irritable during sleep, Sect. XVIII. 15. and probably more ready to act from association, are now exerted with greater velocity as well as strength, constituting a temporary fever of the sensitive irritated kind, resembling the fever excited by wine in the beginning of intoxication; or in some people by a full meal in their ...
— Zoonomia, Vol. II - Or, the Laws of Organic Life • Erasmus Darwin

... round it at various distances. On one of these planets we dwell. Vast, indeed, are the distances of the planets when measured by our terrestrial standards. A cannon-ball fired from the earth to celebrate the signing of the Declaration of Independence, and continuing its course ever since with a velocity of eighteen hundred feet per second, would not yet be half-way to the orbit of Neptune, the outer planet. And yet the thousands of stars which stud the heavens are at distances so much greater than that of Neptune that our solar system is like a little colony, separated from the rest of the ...
— Side-lights on Astronomy and Kindred Fields of Popular Science • Simon Newcomb

... The velocity with which light traverses space is 186,300 miles a second, at which rate it has taken the rays from Sirius which we may see to-night, nine years to reach us. The proper motion of Sirius through space is about one thousand miles a minute. Yet 'careful alignment ...
— Tracks of a Rolling Stone • Henry J. Coke

... Guert had been so very civil, was so much in earnest, everybody seemed to expect it of me, and the Hon. Capt. Monson was already a hundred yards on his way to the bottom, shooting ahead with the velocity of an arrow. I took my seat, accordingly, placing my feet together on the front round, "lady-fashion," as directed. In an instant, Guert's manly frame was behind me, with a leg extended on each side ...
— Satanstoe • James Fenimore Cooper

... who live upon fish and hunting, and have neither flocks nor herds. Farther north, likewise, there is no city, but a poor people of herdsmen, who are called Kerkis. The Orangin are there also, who bind smooth bones under their feet, and thrust themselves with such velocity over the ice and snow, as to overtake beasts in the chase. There are many other poor nations in those parts, inhabiting as far to the north as the cold will permit, who join on the west with the country of Pascatir, or the Greater Hungary, of which I have made mention before[3]. In ...
— A General History and Collection of Voyages and Travels, Vol. 1 • Robert Kerr

... perplexing part of the study lay in the attitude of the statisticians, who showed no enthusiastic confidence in their own figures. They should have reached certainty, but they talked like other men who knew less. The method did not result faith. Indeed, every increase of mass — of volume and velocity — seemed to bring in new elements, and, at last, a scholar, fresh in arithmetic and ignorant of algebra, fell into a superstitious terror of complexity as the sink of facts. Nothing came out as it should. ...
— The Education of Henry Adams • Henry Adams

... extent. We chained him up in the morning, and penetrated through the skin with the budding-iron. The spasms were dreadfully violent, and he was scarcely able to walk or to stand. This gradually subsided, and then he began to run round and round, and that increased to an extraordinary velocity: he would then lie for a while with every limb in action. The owner then yielded to all our wishes, and he was destroyed with prussic acid. No morbid appearance presented itself in the brain; but, on the inner plate of the right parietal bone, ...
— The Dog - A nineteenth-century dog-lovers' manual, - a combination of the essential and the esoteric. • William Youatt

... front of the stern, keeping the canoe straight with an occasional touch of the paddle, for the velocity of the current made labor unnecessary, and close behind him was Sir Arthur, holding the flaring torch that lit up the water for a short distance ahead and served to guide the second canoe, which was only a few ...
— The River of Darkness - Under Africa • William Murray Graydon

... rode towards them, thinking to get some more information from the warrior as to the course of the creek, etc., but when they saw the horse approaching they scampered off, and the bedizened warrior projected himself into the friendly branches of the nearest tree with the most astonishing velocity. Perceiving that it was useless to try to approach them, without actually running them to earth, we left them; and crossing the river easily over its stony bed, we continued north-west towards a mountain in the ranges that ...
— Australia Twice Traversed, The Romance of Exploration • Ernest Giles

... commenced rolling the ball of reform with increased velocity. Mass meetings, of the most boisterous and denunciatory character, were held through the community. It appeared a war was commenced which threatened to cease only with the extermination of the masculine portion of Wimbledon. Mr. Salsify Mumbles, ...
— Eventide - A Series of Tales and Poems • Effie Afton

... in Nature," in which the language of animals, nocturnal life in the forests, and kindred subjects are discussed. Among the topics treated of later in the work are such as "Effects of Sound, on Living Beings," "Velocity of Sound," "The Notes," "The Voice, Music, and Science." This volume forms a valuable addition ...
— The Wonders of Pompeii • Marc Monnier

... displacement, there is the enormous difference of 10 tons between 1.025 specific weight in the intake of North Sea water and 1.000 specific weight of fresh water. On the other hand, if too much water is admitted into the tanks, the submarine may plunge with great velocity deeper and deeper beyond its appointed depth, and in such a case it might even happen that the hull of the boat could not withstand the overpowering pressure and would be crushed beneath the mass of water. And ...
— The Journal of Submarine Commander von Forstner • Georg-Guenther von Forstner

... at the same instant. He gave one mad bound, and then went off at a rate that completely eclipsed the speed of the fleetest horse I had ever ridden. He could not trot, but his gallop was unapproachable, and consisted in a succession of leaps, performed with a precision, velocity, and ...
— Chambers's Edinburgh Journal, No. 435 - Volume 17, New Series, May 1, 1852 • Various

... considered as a cone, though each distinct division of it is a cylinder. It is probable that the amount of the areas of all the small branches from one trunk may equal that of the trunk, otherwise the velocity of the blood would be greater in some parts than in others, which probably only exists when a part is ...
— The Temple of Nature; or, the Origin of Society - A Poem, with Philosophical Notes • Erasmus Darwin

... them, he had no conception he was imposing upon the world, though they were frequently written from very slender materials, and often from none at all,—the mere coinage of his own imagination. He never wrote any part of his works with equal velocity. Three columns of the Magazine, in an hour, was no uncommon effort, which was faster than most persons could have transcribed ...
— Life Of Johnson, Volume 4 (of 6) • Boswell

... said to burn his feet—owing to the friction, apparently caused by its tremendous velocity—till they drop off, and new ones form exactly ...
— The Wendigo • Algernon Blackwood

... homely-looking old Jack was thus suddenly transformed, by the royalty of blood, of pride, and of speed given him by his Creator, from what he ordinarily was, into a magnificent spectacle of energetic velocity. ...
— The Busted Ex-Texan and Other Stories • W. H. H. Murray

... mail and the Chester mail near St. Albans in 1820. There had been a race between the two coaches from just this side Highgate, to near St. Albans. When going down a hill both drivers—Perdy, of the Holyhead, and Butler, of the Chester coach—put their horses into a furious galop, the velocity of the coaches increasing at every step. There was plenty of room, but as Butler found the Holyhead gaining a little upon him, it is said he wildly threw his leaders in front of his rival's and the coaches were immediately upset with a terrible collision. A ...
— Fragments of Two Centuries - Glimpses of Country Life when George III. was King • Alfred Kingston

... female and child. Encamp on the Glenelg. Cross the Wannon. Rifle range. Mount Gambier first seen from it. Sterile moors crossed by the party. Natives numerous but not accessible. Again arrive on the Glenelg. Indifferent country on its banks. Breadth and velocity of the river. Encamp on a tributary. Difficult passage. The expedition brought to a stand in soft ground. Excursion beyond. Reach a fine point on the river. The carts extricated. The whole equipment reaches the river. The boats launched on the Glenelg. Mr. Stapylton left with a depot at Fort ...
— Three Expeditions into the Interior of Eastern Australia, Vol 2 (of 2) • Thomas Mitchell

... of good motive power in women, but most of it is lost for want of knowledge and means to apply it. It works like the sails of a windmill not attached to the machinery, which whirl round and round with incredible velocity and every evidence of strength, but serve no better purpose than to show which way the ...
— Ideala • Sarah Grand

... in all probability, would have been wrecked upon the rock. In case the vessel had struck, those on board might have been safe, having now the beacon-house, as a place of refuge; but the vessel, which was going at a great velocity, must have suffered severely, and it was more than probable that the horse would have been drowned, there being no means of getting him out of the vessel. Of this valuable animal and his master we shall take an opportunity of saying more in ...
— Records of a Family of Engineers • Robert Louis Stevenson

... Once over, I looked down on the noble stream with considerable pride. About eight yards broad, it was sunk down a considerable depth below the surface of the land, like a huge canal, and is so deep, it could not be poled by the canoemen; while it runs at a velocity of from three to four knots ...
— The Discovery of the Source of the Nile • John Hanning Speke

... injector is due first to the difference between "kinetic" or moving energy and "static" or standing energy; second, to the fact that steam at a pressure travels at a very high velocity and when placed in contact with a stream of water it is condensed into water, and at the same time it imparts enough velocity to the water to give it sufficient momentum to overcome a pressure even greater than the original pressure of the steam. By imparting this velocity to ...
— The Traveling Engineers' Association - To Improve The Locomotive Engine Service of American Railroads • Anonymous

... life of this kind, my fortune, though considerable, was presently dissipated; and as the attraction grows more strong the nearer any body approaches the earth, when once a man begins to sink into poverty, he falls with velocity always increasing; every supply is purchased at a higher and higher price, and every office of kindness obtained with greater and greater difficulty. Having now acquainted you with my state of elevation, I shall, if you ...
— The Works of Samuel Johnson - Volume IV [The Rambler and The Adventurer] • Samuel Johnson

... remember that horrible sensation of falling. It took longer than I expected to reach the ground. Instantaneously there flashed through my brain a formula I had learnt at school, i.e., that an object falling increases its velocity thirty-two feet per second. I now realised for the first time how true it was. The drop was somewhere between twenty and thirty feet. Just near the ground my fall was broken by my being suspended for the fraction of a second on some field telephone wires, ...
— 'Brother Bosch', an Airman's Escape from Germany • Gerald Featherstone Knight

... /v./ To attack with an inverse heat sink. 2. [TMRC] /v./ To travel, with v approaching c [that is, with velocity approaching lightspeed —ESR]. 3. [MIT] /v./ To propel something very quickly. "The new comm software is very fast; it really zorches files through the network." 4. [MIT] /n./ Influence. Brownie points. Good karma. The intangible ...
— The Jargon File, Version 4.0.0

... queer," said the doctor to himself, stimulating his pony's concept of a maximum velocity. "But I never thought of this. The Devil fly away with the Australian twin! Why couldn't she ...
— When Ghost Meets Ghost • William Frend De Morgan

... had been put to twenty different places, and the flames united into one, and suddenly shot up with a velocity, and roared with a sound that caused many who were present to make a ...
— Varney the Vampire - Or the Feast of Blood • Thomas Preskett Prest

... by describing briefly the content of the two theorems in question. In Fig. 1, a diagrammatical representation is given of the parallelogram of movements. It sets out to show that when a point moves with a certain velocity in the direction indicated by the arrow a, so that in a certain time it passes from P to A, and when it simultaneously moves with a second velocity in ...
— Man or Matter • Ernst Lehrs

... looked round. He was in an area of darkened suburban streets converging on a distant broader avenue, where occasional taxi-cabs slid past into the blackness of the night with the heartless velocity of years disappearing ...
— The Moon Rock • Arthur J. Rees

... proved that the ray he was using is not of the wave type. The other common ray is the cathode ray type which does not consist of vibrations but of a stream of electrons, negative particles of electricity, traveling in straight lines of high velocity. He must be knocking loose some of the electrons when he collapses the atoms. The rate of discharge of these electroscopes will give us a clue to the ...
— Astounding Stories, May, 1931 • Various

... such as they are supposed to have passed in Goshen would bring them to the exodus. Now, assuming that the Israelites during those four centuries, when they lived among civilized neighbors and under civilized law, made an intellectual movement corresponding in velocity to the movement the English made after the conquest, they would have been, about the time when the cities of refuge were created, in the position described in Numbers, which is what we should expect assuming the Biblical ...
— The Emancipation of Massachusetts • Brooks Adams

... it a velocity of as much as 100 to 140 miles an hour. It sends a certain amount of warning ahead of its track, and the acceleration of the wind's speed at any given point, ...
— The Jungle Fugitives • Edward S. Ellis

... study the scraps of plans. "Fortescue had evidently also worked out a way of changing the poles of the coils as the projectile passed, causing them then to repel the projectile, which must have added to its velocity. He seems to have overcome the practical difficulty that in order to obtain service velocities with service projectiles an enormous number of windings and a tremendously long barrel are necessary as well ...
— The War Terror • Arthur B. Reeve

... remarkable length of which arrests our attention. The sole of the right foot is almost vertical. By the action of the muscles of the calf it has rolled off from the ground like a portion of the tire of a wheel, the heel rising first, and thus the body, already advancing with all its acquired velocity, and inclined forward, has been pushed along, and, as it were, tipped over, so as to fall upon the other foot, now ready ...
— Atlantic Monthly, Volume 11, Issue 67, May, 1863 • Various

... the projectile is 88 pounds, and its remanent velocity at the moment of impact is 1,295 feet. Under this enormous live force, the masonry gradually crumbles, and carries along the earth of the parapet, and opens a breach for the ...
— Scientific American Supplement, Vol. XXI., No. 531, March 6, 1886 • Various

... late. I tried to "hold on" with all my might, but my heels went up, and my head went down so rapidly that my hold broke, and I plunged head foremost into the water, some twenty-five feet below, with such velocity that it seemed to me I never would stop. When I came to the surface again, being a fair swimmer, and not having lost my presence of mind, I swam around until a bucket was let down for me, and I was drawn up without a scratch or injury. I do not believe there was a man on board who sympathized ...
— Memoirs of Three Civil War Generals, Complete • U. S. Grant, W. T. Sherman, P. H. Sheridan

... before the horse, as only distracted hens could do. It was too much for Bob's nerves; and, taking matters into his own hands, or feet, rather, he broke into a run, and rattled the old lady over the stones with a velocity ...
— Kitty's Class Day And Other Stories • Louisa M. Alcott

... I spoke is a new application of drive principle which has given to us a greatly improved effective velocity for space propulsion. Forty years ago, the minimum elapsed time of return travel to the presumed sector within which the Omega World should lie was about a century. Today we have the techniques to construct a small scouting vessel capable of making the ...
— Greylorn • John Keith Laumer

... been hurt. At first, O'Brien put himself in the correct attitude of defence, in imitation of the lieutenant, but this was for a very few seconds; he suddenly made a spring, and rushed on to his adversary, stabbing at him with a velocity quite astonishing, the lieutenant parrying in his defence, until at last he had an opportunity of lungeing at O'Brien. O'Brien, who no longer kept his left arm raised in equipoise, caught the sword of the lieutenant at within six inches of the point, and directing it under his left arm, as ...
— Peter Simple and The Three Cutters, Vol. 1-2 • Frederick Marryat

... rate of 127 miles an hour. That was accomplished by Marriott in a racing automobile at Ormond Beach in 1906, when he went one mile in 28 1-5 seconds. It is doubtful, however, were it possible to achieve a rate of 300 miles an hour, that any human being could resist the air pressure at such a velocity. ...
— Marvels of Modern Science • Paul Severing

... prince was carried through the air with prodigious velocity; and in less than an hour's time had ascended so high, that he could not distinguish any thing on the earth, but mountains and plains seemed confounded together. It was then he began to think of returning, and conceived he might ...
— The Arabian Nights Entertainments Complete • Anonymous

... first used in 1350; so the old Romans knew nothing of its power. They flung javelins a few rods by the strength of the arm; we throw great iron shells, starting with an initial velocity of fifteen hundred feet a second and going ten miles. The air pressure against the front of a fifteen-inch shell going at that speed is 2,865 pounds. That ton and a half of resistance of gas in front must be much more than overcome ...
— Among the Forces • Henry White Warren

... of a bird of a size and velocity fit to be the bearer of the weight of a man?" demanded he who was mounted, with a vivacity that betrayed some jealousy on the subject of a monopoly of learning. I had thought there was never a book in the valley, ...
— The Wept of Wish-Ton-Wish • James Fenimore Cooper

... walking about the town, avoiding narrow streets. The mountain was quite veiled for some days by vapour and ashes, but I could see the black smoke and silvery mass above it. While looking at this, a magnificent column, black as jet, darted with inconceivable violence and velocity to an immense height; it gave a grand idea of the power that was still in action in the ...
— Personal Recollections, from Early Life to Old Age, of Mary Somerville • Mary Somerville

... venting his spleen upon the stubbornness of all donkeys, and of this donkey in particular, when the sudden sound of a horn made both the donkey and the pony prick up their ears. In a few moments a stage coach was in sight, and in a few more the horn and the rattling wheels approached with great velocity towards the two equestrians. George would have jumped off to save himself from being run over, but the donkey saved him for the present the trouble. All his energies were suddenly roused, and he darted forward in a pelting gallop; ...
— Forgotten Tales of Long Ago • E. V. Lucas

... main Niger, which he found, at the close of the dry season, and before it had received its principal tributaries, nine feet deep and nine hundred feet in width, with a velocity of two and a half ...
— Atlantic Monthly, Vol. 7, No. 43, May, 1861 • Various

... uplifted country appeared as one vast area of river valleys, separated by stretches of plateau. Little by little, working by laws that are pretty well understood, the swift flowing avers cut downwards. When their velocity ceased, the widening of the river courses began, and progressed with greater rapidity, so that, in time, the divides that intervened between the rivers were worn away,—a process rudely shown in Fig. 5 A. B. C. and D. of plate on ...
— The Grand Canyon of Arizona: How to See It, • George Wharton James

... convenience of the Royal visitors. He immediately ordered that the whole floor should be covered with matting, and had every thing placed as he thought proper, leaping about all the while with both feet in the air, as if his life depended on the velocity of his motions. No one of the servants pleased him; his tongue ran incessantly; and his sword was flourished about in ...
— A New Voyage Round the World in the Years 1823, 24, 25, and 26. Vol. 1 • Otto von Kotzebue

... shoulders of these unwilling; he heard officers shouting. The guns ahead boomed out, and there came a cry of "Ashby"! The next instant found him violently unseated and hurled into the dust of the middle road, from which he escaped by rolling with all the velocity of which he was capable into the depression at the side. He hardly knew what had happened—there had been, he thought, a runaway team dragging an ordnance wagon. He seemed to remember a moving thickness in the ...
— The Long Roll • Mary Johnston

... created another particular vortex which floats in the great one, and which turns daily round the planets. When all this is done, it is pretended that gravity depends on this diurnal motion; for, say these, the velocity of the subtile matter that turns round our little vortex, must be seventeen times more rapid than that of the earth; or, in case its velocity is seventeen times greater than that of the earth, its centrifugal force must be vastly greater, and consequently ...
— Letters on England • Voltaire

... According to the original size of the pyritous mass, the protection it receives from the action of oxidising substances other than gold, the strength of the gold solution, length of exposure to it, the rate of supply and velocity of stream, will be the size of the gold nugget. As to the size of a pyritous mass necessary to produce in this manner a large nugget, it is by no means considerable. A mass of common pyrites (bisulphide of iron) weighing only 12 lbs. is competent for the construction ...
— Getting Gold • J. C. F. Johnson

... south, is Kelley's Ferry. At the extreme angle of this bend the river rushes through the mountains, which here crowd down closely, forming a narrow channel through which the waters rush headlong. This chasm is known as the "Suck." The velocity of the water is so great that steamers in high water cannot stem the current at this point, which necessitated the landing of supplies at Kelley's Ferry, and then hauling them over land across the bridge at Brown's ...
— The Army of the Cumberland • Henry M. Cist

... sound, he caught a glimpse of a dark object, rushing forward at frightful velocity, and then he and his wheel reeled beneath the force of a tremendous explosion. The shell coming from an invisible point, miles away, had burst some distance on his right, scattering death and wounds over a wide radius. But Vaugirard's brigades did not stop for one instant. ...
— The Forest of Swords - A Story of Paris and the Marne • Joseph A. Altsheler

... of inattention the bailer had stuck. Perhaps five hundred feet below, friction had checked its plunge, and meanwhile the velvet-running drum, spinning at its maximum velocity by reason of the whirling bull wheel, was unreeling its cable down upon the derrick platform. Down it poured in giant loops, and within those coils, either unconscious of his danger or paralyzed by its ...
— Flowing Gold • Rex Beach

... inclined to think of the Frontier Guards as a gang of scientifically illiterate dirk-and-pistol bravos. He fiddled for a while with instruments on the panel; an automatic computer figured the distance to the planet, the boat's velocity, and the time needed ...
— Genesis • H. Beam Piper

... few social laws of which we are fairly sure, that a nation organizes in proportion to its velocity. We know that a four-mile-an-hour nation must remain a huge inert mass of peasants and villagers; or if, after centuries of slow toil, it should pile up a great city, the city will sooner or later fall to pieces of its own weight. ...
— The History of the Telephone • Herbert N. Casson

... made more than a hundred miles the hour since leaving home! The very birds beat us—at least some of them. I assure you that I do not exaggerate at all. Our motion, no doubt, seems slower than it actually is—this on account of our having no objects about us by which to estimate our velocity, and on account of our going with the wind. To be sure, whenever we meet a balloon we have a chance of perceiving our rate, and then, I admit, things do not appear so very bad. Accustomed as I am to this mode of travelling, I ...
— The Works of Edgar Allan Poe - Volume 4 (of 5) of the Raven Edition • Edgar Allan Poe

... enough to start the table bouncing with it until, by dancing that table around the room, it had literally torn the clamp off and shaken itself free. What had happened afterward was obvious, with the ball building up velocity with every successive bounce. ...
— The Big Bounce • Walter S. Tevis

... falls for a long while, looking at the boiling, hissing, bubbling, foaming waters, rolling down headlong with such impetuous velocity that one could hardly believe they form part of the same placid stream, which flows so gently between its banks, when no obstacles oppose it; and at all the little silvery threads of water, that formed mimic cascades among the rocks; but at length we were obliged to recommence our toilsome ...
— Life in Mexico • Frances Calderon De La Barca

... large number of phenomena in the field of physics were observed now for the first time. Leonardo da Vinci measured the rapidity of falling bodies, by dropping them from towers and having the time of their passage at various stages noted. He thus found, correctly, that their velocity increased. It is also said that he observed that bodies always fell a little to the eastward of the plumb line, and thence concluded that the earth revolved on its axis. He made careful experiments with billiard balls, discovering that the {614} momentum of the ...
— The Age of the Reformation • Preserved Smith

... earth.' The proper motions of the stars had, alas! not been discovered in Swedenborg's day, nor does he seem to have been aware what a wild chase he was really entering upon in his spiritual progressions. Conceive the pursuit of Sirius or Vega as either sun rushed through space with a velocity of thirty or forty miles in every second of time! To resume, however, the account which Swedenborg gives of the ideas of the learned world of his day. 'It is the distance which makes a star appear in a small ...
— Myths and Marvels of Astronomy • Richard A. Proctor

... and see this, dearest, and make the best of it you can: as far as I can make it out, everything everywhere seems to be an ever-deepening, ever-broadening stream that makes with inconceivable velocity for its own proper level, WHERE PERFECTION IS! ... and ever gets nearer and nearer, and never finds it, and fortunately ...
— Peter Ibbetson • George du Marier et al

... in the progress of the plane, of course. Rain was dashing against the windows of the cabin with an incredible velocity. Rain at a hundred miles an hour acts more like hail than water, anyhow, and Bell was trusting grimly to the hope that the propellers were of steel, which will withstand even hail, and a hope that the blast through the engine cowlings would ...
— Astounding Stories of Super-Science, June, 1930 • Various

... it possible that here, right where I stand, countless thousands of human beings once passed at tremendous velocity, bent on business and on pleasure, now ages long vanished and meaningless and void? That mighty engines whirled along this bank, where now the forest has been crowding for centuries? ...
— Darkness and Dawn • George Allan England

... Tulan's armada loafing ahead of him, he'd been accelerating for about ten hours and had a velocity of a million miles per hour, while Tulan was going the same direction but at half the speed. The quarry began decelerating immediately, knowing it could get back to Luhin with time ...
— Tulan • Carroll Mather Capps

... had formerly banished) being now a sailor and in foreign countries, while the ship was upon the coast of Naples or Sicily, near one of the burning mounts, one day they espied a coach and six all in black going toward the mount with great velocity, when it came past them they were so near that they could perceive the dimensions and features of one that sat in it. The young man said to the rest, If I could believe my own eyes, or if ever I saw one like another, I would say, that is the duke. ...
— Biographia Scoticana (Scots Worthies) • John Howie

... up in the clear, early morning air, as the mountain edges began to be tipped with pink. The Japanese air-ship had reached a position a little to one side of that occupied by the 28th Regiment, when a tiny black speck was seen to leave it and to gain in size as it fell with increasing velocity. When it reached the ground a vivid red flame shot up. Tremendous clouds of smoke followed, mixed with dark objects, and the distant mountains resounded with loud peals of thunder which died away amid the angry ...
— Banzai! • Ferdinand Heinrich Grautoff

... big part in the intensity of a forest fire. If the fire can be turned so that it will run into the wind, it can be put out more easily. Fires that have the wind back of them and plenty of dry fuel ahead, speed on their way of destruction at a velocity of 5 to 10 miles an hour, or more. They usually destroy everything in their course that will burn, and waste great amounts of valuable timber. Wild animals, in panic, run together before the flames. Settlers and farmers with their families flee. Many are overtaken ...
— The School Book of Forestry • Charles Lathrop Pack

... particles of matter about; they have a regular circus with them; they make them go through films and screens; they guide them through openings; they count them as their tiny flash is seen on a sensitized plate; they weigh them; they reckon their velocity. The alpha-rays from radio-active substances are swarms of tiny meteors flying at the incredible speed of twelve thousand miles a second, while the meteors of the midnight sky fly at the speed of only forty miles a second. Those ...
— The Breath of Life • John Burroughs

... is a line of which no part is straight. The momentum of a moving body is the product of its mass and its velocity (these being expressed in numbers of certain units). Nitrogen is a transparent colourless gas, atomic weight 14, specific gravity .9713, not readily combining, etc. A lion is a monodelphian mammal, predatory, walking on its toes, of nocturnal habits, with a short rounded ...
— Logic - Deductive and Inductive • Carveth Read

... the ignominy of defeat—again the council of war in the stiller waters below. We now summon all our energies, determined that defeat shall but nerve us to greater exertion. We go lower down, so as to obtain greater initial velocity; the fires are made to glow one spotless mass of living heat. Again the charge is sounded: on we rush, our little boat throbbing from stem to stern; again the angry waters roar defiance—again the deadly struggle—again for a moment ...
— Lands of the Slave and the Free - Cuba, The United States, and Canada • Henry A. Murray

... is being erected on the top floor, where slow music will be discoursed every afternoon, from three to seven, by a Czecho-Slovak orchestra. A roof-garden is being laid out for the recreation of the staff, and the velocity of the numerous lifts has been keyed up to concert pitch. Steam heat will be conveyed from the basement to radiators on every floor, and each room is being provided with a vacuum-cleaning apparatus, a wireless telephonic outfit and an American bar. The renovation ...
— Punch, or the London Charivari, Vol. 159, August 18th, 1920 • Various

... at its destination, and that, on its broad, substantial rear, it bore the effigy of "an ancient Briton." Locomotion then, like me, was in a state of infancy. On the occasion of my second visit to the city, I had hardly time to wonder at the velocity with which I was borne along. Distance was annihilated. The two hundred miles over which the ancient Briton had wearisomely laboured, were reduced to twenty, and before I could satisfy myself that our journey was more than ...
— Blackwood's Edinburgh Magazine — Volume 54, No. 335, September 1843 • Various

... Thus the words Velocity, Momentum, Force, &c. have acquired certain precise meanings in Elementary Dynamics. They are also employed in the Dynamics of a Connected System in a sense which, though perfectly analogous to the elementary sense, is ...
— Five of Maxwell's Papers • James Clerk Maxwell

... ledge of rock at the entrance to a huge cavern. Not two feet below rushed the stream which had carried me; it came down through an opening in the wall at a sharp angle with tremendous velocity, and must have hurled me like a cork from its foaming surface. Below, it emptied into a lake which nearly filled the cavern, some hundreds of yards in diameter. Rough boulders and narrow ledges surrounded ...
— Under the Andes • Rex Stout

... the way of applying his principles. If any wing were a rigid plane surface, it appears to me that there are only two ways in which it could be made to produce flight. Firstly, on the principle that the resistance in a fluid, and I believe also in air, increases in a greater ratio than the velocity (? as the square), the descending stroke might be more rapid than the ascending one, and the resultant would be an upward or forward motion. Secondly, some kind of furling or feathering by a rotatory motion of the wing might take place on raising ...
— Alfred Russel Wallace: Letters and Reminiscences Vol 2 (of 2) • James Marchant

... made a great fortune in the produce business and wishing to mark his gratitude to the community he erected the anemometer, the wind-measure, on the roof of the building, attaching to it no other condition than that his name should be printed in the weekly reports immediately beside the velocity of the wind. The figure beside him is the late Mr. Underbugg, who founded our lectures on the Four Gospels on the sole stipulation that henceforth any reference of ours to the four gospels should ...
— Arcadian Adventures with the Idle Rich • Stephen Leacock

... the cannon intended to discharge the projectile was to be planted in some country not further than 28 deg. north or south from the equator, so that it might be aimed vertically at the Moon in the zenith. The bullet was to be animated with an initial velocity of 12,000 yards to the second. It was to be fired off on the night of December 1st, at thirteen minutes and twenty seconds before eleven o'clock, precisely. Four days afterwards it was to hit the Moon, at the very moment that she reached her perigee, that is to say, ...
— All Around the Moon • Jules Verne

... molecules in it decided to move in the same direction at the same time? Their heat motion is normally carrying them about at a rate of several miles a second, and if now we have them all go in one way, the entire bar must move in that direction, and it will start off at a velocity as great as the velocity of the individual molecules. But now, if we attach the bar to a heavy car, it will try to start off, but will be forced to drag the car with it, and so will not be able to have its molecules moving at the same rate. They will be slowed down in starting the mass ...
— The Black Star Passes • John W Campbell

... August, he found himself floating on the waters of the Niger, and advancing towards the ultimate object of his ambition. He hired canoes to convey his party to Maraboo, and the river here, a mile in breadth, was so full and so deep, that its current carried him easily over the rapids, but with a velocity, which was even in a certain ...
— Lander's Travels - The Travels of Richard Lander into the Interior of Africa • Robert Huish

... their backs into their strokes in their endeavor to guide the Ida to the place indicated, which appeared to be the one available landing spot. But the current carried them at such velocity that when within half a dozen feet of the shore it seemed impossible to ...
— The Enchanted Canyon • Honore Willsie Morrow

... lain there many hours before I realized that I was traveling in a circle. The velocity of the current had increased, but not sufficiently to insure immediately destruction. Hope began to revive, and I sat up and looked about me with renewed courage. Directly before me rose a column of mist, so thin that I could see through it, and of the most delicate tint of green. ...
— Mizora: A Prophecy - A MSS. Found Among the Private Papers of the Princess Vera Zarovitch • Mary E. Bradley

... by gazing though the carriage window at the fields, trees, and houses which defiled before his eyes. They had just passed Angouleme, and meadows stretched out, and lines of poplar trees fled away amidst the continuous fanning of the air, which the velocity of the ...
— The Three Cities Trilogy, Complete - Lourdes, Rome and Paris • Emile Zola

... a planet is to the sun the more rapidly it is compelled to move in its orbit, and Mercury, being the nearest to the sun of all the planets, is by far the swiftest footed among them. But its velocity is subject to remarkable variation, owing to the peculiar form of the orbit in which the planet travels. This is more eccentric than the orbit of any other planet, except some of the asteroids. The sun being situated in one focus of the elliptical orbit, when Mercury is at perihelion, ...
— Other Worlds - Their Nature, Possibilities and Habitability in the Light of the Latest Discoveries • Garrett P. Serviss

... as a settled point that any recoil of the gun is just so much taken from the initial velocity of the ball, (and if any one doubts it, let him try the experiment of throwing a stone, and stepping backwards at the moment of propulsion,) it is obvious, that, for the attainment of the longest range, such a preponderance of weight in the gun over that of the projectile is necessary as ...
— The Atlantic Monthly, Vol. IX., March, 1862., No. LIII. - A Magazine Of Literature, Art, And Politics, • Various

... stammerers! But if he could seldom begin a sentence, so Aunt Polly could seldom finish one: indeed the most noticeable point in her conversation was, that it had no point, or was made up of sentences broken off in the middle. This may have been physiologically owing to the velocity with which the nervous fluid passed through her brain, giving uncommon rapidity to her thoughts, and correspondingly to the motions of her body. It soon became a wonder to my girlish mind how Aunt Polly ever kept still ...
— Graham's Magazine Vol XXXIII No. 1 July 1848 • Various

... impeded. The first essays in protective armour took the form of the installation of a thin sheet of steel along the bottom of the body of the craft. This turned aside missiles from below provided the plane were not so near the ground as to receive them at the moment of their highest velocity. But it was only an unsatisfactory makeshift. At the higher altitudes it was unnecessary and in conflict with other airplanes it proved worthless, because in a battle in the air the shots of the enemy are more likely to ...
— Aircraft and Submarines - The Story of the Invention, Development, and Present-Day - Uses of War's Newest Weapons • Willis J. Abbot

... came up from below. The Med Ship again inverted itself, and its rockets pointed toward the planet and poured out pencil-thin, blue-white, high-velocity flames. It checked slightly, but continued to descend. It was not directly ...
— This World Is Taboo • Murray Leinster

... heart itself is weak, with also, perhaps, dilated blood vessels. If there is a high systolic pressure and a correspondingly high diastolic pressure, the balance between the vessels and the heart is compensated as long as the heart muscle is sufficient. He believes the velocity of the blood in the blood stream may be roughly estimated as being equal to the pressure pulse multiplied by the ...
— DISTURBANCES OF THE HEART • OLIVER T. OSBORNE, A.M., M.D.



Words linked to "Velocity" :   terminal velocity, speed of light, angular velocity, c, hypervelocity, escape velocity, light speed, speed, peculiar velocity, rate, airspeed, radial velocity, groundspeed



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