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Oxidation   Listen
noun
Oxidation  n.  (Chem.) The act or process of oxidizing, or the state or result of being oxidized.






Collaborative International Dictionary of English 0.48








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"Oxidation" Quotes from Famous Books



... compound called? We have found that O makes up a certain portion of the air; later, we shall see how large the proportion is. Its tendency to combine with almost everything is a reason for the decay, rust, and oxidation of so many substances, and for conflagrations, great and small. New compounds are thusformed, of which O constitutes one factor. Water, H2O, is only a chemical union of O and H. Iron rust, Fe2O3 and H2O, is composed of O, Fe, and ...
— An Introduction to Chemical Science • R.P. Williams

... the works, which are like all others, excepting that here they do not use quicksilver to extract the silver from the lead, but do so by the process of oxidation, by the means of a reverberatory furnace. The people generally have an unhealthy appearance, as nearly all have who are engaged in these works—the air being loaded with particles of metal. After visiting the mills and ...
— Life in Mexico • Frances Calderon De La Barca

... being done, I, F-2, like Roal and Trest, shall follow the others of my kind into eternal oblivion, for my kind is now, and theirs was, poor and inefficient. Time has worn me, and oxidation attacked me, but they of Force ...
— The Last Evolution • John Wood Campbell

... concentration of the hydrogen or hydroxyl-ions. Further, the decomposition of hydrogen peroxide is "catalysed" by iodine-ions, the condensation of two molecules of benzaldehyde to benzoin by cyanogen-ions. One of the earliest known and technically most important instances of catalysis is that of the oxidation of sulphur dioxide to sulphuric acid by oxygen in the presence of oxides of nitrogen. Other well-known and remarkable examples are the catalysis of the combustion of hydrogen and of sulphur dioxide in oxygen by finely-divided platinum. We may also ...
— Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 1 - "Chtelet" to "Chicago" • Various

... gives rise to the oxidation of alcohol, on account of its merely physical constitution, it is at any rate possible that the physical constitution of the yeast plant may exert ...
— Critiques and Addresses • Thomas Henry Huxley

... ball faster than I could catch: "No atmosphere on Mercury, then no oxidation; I insist there'd be no straight metals.... The asteroids? Ferromagnesian blocks of some kind—any basalts around here?... For Venus, grab a truckload of granodiorite—the spotted stuff—from the Sierra-Nevadas and tint it pink.... Lateritic ...
— Question of Comfort • Les Collins

... boiler, and at other times flame,—just as there happens to be smoke or no smoke emitted by the furnace. Boilers, therefore, operating upon this principle, speedily become leaky, and are much worn by oxidation, so that, if the pressure is considerable, they are liable to explode. It is very difficult to apportion the quantity of air admitted, to the varying wants of the fire; and as air may at some times be rushing in when there is no smoke to consume, a loss of heat, and an increased consumption ...
— A Catechism of the Steam Engine • John Bourne

... rubber-coated canvas, each having three compartments. On these pontoons, when inflated, the bridge-table is built, lashed, and anchored. This bridge has remarkable portability, but it has also serious defects. The oxidation of the sulphur in vulcanized rubber produces sulphuric acid in sufficient amount to impair the strength of the canvas-fibres, thus causing eventual decay, rendering it prudent to renew the pontoons after a year's campaigning. The pontoons are required to be air-tight, and are temporarily ...
— The Atlantic Monthly, Vol. 12, No. 74, December, 1863 • Various

... Following up the idea that an explosion is a sudden combustion, he submitted a variety of mixtures of oxidising and combustible agents to the violent shock of a detonator of fulminate. These mixtures were made in such proportions that the mutual oxidation or de-oxidation should be theoretically complete. ...
— Nitro-Explosives: A Practical Treatise • P. Gerald Sanford

... take any extensive argument to demonstrate that the heat of the body does not differ from heat from any other source. It is known that the food taken into the body contains potential energy, which is capable of being in part converted into actual heat by oxidation; and since we know that the food taken into the body is oxidized by the oxygen of the air supplied by the lungs, the heat of the body must be due to the slow oxidation of the carbon, perhaps also hydrogen, sulphur, ...
— Was Man Created? • Henry A. Mott

... with hot wax or paraffin, which not only acts as a binder for the mixture when it is pressed into its container but also serves to prevent oxidation of the magnesium when the shells are stored. The barium and potassium nitrates supply the oxygen to the magnesium, which burns with a brilliant white flame. The potassium nitrate takes fire more readily than the barium nitrate, but it is ...
— Artificial Light - Its Influence upon Civilization • M. Luckiesh

... containing gold, are of igneous origin, and point to the black and brown ferro-manganic outcrops in confirmation. It must be admitted that often the upper portions of a lode present a strong appearance of fire agency, but exactly the same appearance can be caused by oxidation of iron ...
— Getting Gold • J. C. F. Johnson

... battery of the Bunsen type, in which a solution of perchloride of iron (ferric chloride) is used for the depolarizing agent. A little bromine is added with advantage. The depolarizing agent recuperates on standing, by oxidation from the oxygen of ...
— The Standard Electrical Dictionary - A Popular Dictionary of Words and Terms Used in the Practice - of Electrical Engineering • T. O'Conor Slone

... philosopher just mentioned furnish a variety of suggestions on the radiation from heated surfaces. He found that, while the radiating power of clean lead was only 19, it rose to 45 when tarnished by oxidation, that the radiating power of plumbago was 75, and that of red lead 80. He also discovered that, while the radiating power of gold, silver, and polished tin was only 12, that of paper was 98, and lamp black no less than 100. He further says: "A silver pot will emit scarcely half as ...
— Scientific American, Vol.22, No. 1, January 1, 1870 • Various

... downward to empty the blood out of the infected portion of the limb has been recommended. The whole of the bite should at once be excised, and crystals of permanganate of potash rubbed into the wound until it is black, or peroxide of hydrogen applied with the object of destroying the poison by oxidation. ...
— Manual of Surgery - Volume First: General Surgery. Sixth Edition. • Alexis Thomson and Alexander Miles

... water, is powerfully electromotive, and is most strikingly energetic in numerous chemical agencies, its action on nearly all metallic bodies being to carry them at once to the state of peroxide, or to their highest point of oxidation; it changes sulphurets into sulphates, instantaneously destroys several gaseous compounds, and bleaches indigo, thus shewing ...
— Chambers's Edinburgh Journal, No. 455 - Volume 18, New Series, September 18, 1852 • Various

... the Relative Weight of Single Molecules. E. VOGEL.—On the Synthetical Production of Ammonia by the Combination of Hydrogen and Nitrogen in the Presence of Heated Spongy Platinum, G. S. JOHNSON.—On the Oxidation of Organic Matter in Water, ...
— Scientific American Supplement No. 275 • Various

... knowledge of the nature of its constitution, and an understanding of the means to satisfy its requirements? Only by study and observation comes the knowledge of how best to supply the required material which, by its oxidation in the body, repairs waste, gives warmth and ...
— No Animal Food - and Nutrition and Diet with Vegetable Recipes • Rupert H. Wheldon

... is the reduction of the sesqui-oxide of uranium, U2O3, on those parts of the paper exposed to the solar influence, to a lower state of oxidation, the photo-oxide UO, the salts of which have the property of forming with soluble alkaline ferridcyanides a rich chocolate-brown precipitate, while the salts of the sesquioxide are destitute of this reaction. Hence the brown deposit ...
— Photographic Reproduction Processes • P.C. Duchochois

... he told himself, the aborigine didn't understand oxidation, either. But he could use that fire, when he got it going. In spite of his lack of knowledge, the aborigine could use ...
— Supermind • Gordon Randall Garrett

... underground mines that give out the great bulk of the acid and other pollutive substances have so far almost totally resisted satisfactory management, despite tremendous efforts. Among techniques that have been tried are neutralization with limestone and other materials, air sealing to cut down on the oxidation that helps form the acid, sealing of mine openings to prevent outflow, mining methods designed to prevent exposure of sulfuritic materials, and chemical inhibition of acid generation. Regardless of the hope that some have aroused, none has worked well and economically, ...
— The Nation's River - The Department of the Interior Official Report on the Potomac • United States Department of the Interior

... particles in a state of suspension, if written with on good paper and allowed to dry without blotting, in a short time becomes encased or enveloped in such vehicle, which is thereby rendered substantially insoluble and absolutely prevents any extensive oxidation. Also, as a further consequent result, there is chemically created an unchangeable and continuing black color more permanent and durable than the substance ...
— Forty Centuries of Ink • David N. Carvalho

... tablet dissolves slowly in the soda solution and its oxidation proceeds very slowly at first so that ample time is available when this method ...
— The Elements of Bacteriological Technique • John William Henry Eyre

... colour as the ordinary black teas. From these observations, therefore, I was induced to believe, that the peculiar characters and chemical differences which distinguish black tea from green, were to be attributed to a species of heating or fermentation, accompanied with oxidation by exposure to the air, and not to its being submitted to a higher temperature in the process of drying, as had been generally concluded. My opinion was partly confirmed by ascertaining from parties conversant with the Chinese manufacture, that the leaves for the black ...
— Chambers's Edinburgh Journal, No. 442 - Volume 17, New Series, June 19, 1852 • Various

... increased in size. To accomplish the distribution of the food (blood) the heart also is increased in size and strength. With increased bulk of muscle and increased quantity of food we have increased oxidation in the tissues. This requires increased respiration, which demand is satisfied by rapid development of the respiratory system. The thorax increases in dimensions in all directions; it becomes deeper, broader and longer. Not only does the thorax become more capacious but also more mobile and more ...
— The Biology, Physiology and Sociology of Reproduction - Also Sexual Hygiene with Special Reference to the Male • Winfield S. Hall

... of the ground remained unchanged. I wondered what curious sort of metal this might be—so like copper in appearance. I doubted if it were copper, since even in this hot, moist air it seemed to have no property of oxidation. ...
— The Fire People • Ray Cummings

... with the greatest care, by men of the highest attainments in chemistry and physiology, and the result is given in these few words, by Dr. H.R. Wood, Jr., in his Materia Medica. "No one has been able to detect in the blood any of the ordinary results of its oxidation." That is, no one has been able to find that alcohol has undergone combustion, like fat, or starch, or sugar, and so given heat to the body. On the contrary, it is now known and admitted by the medical ...
— Grappling with the Monster • T. S. Arthur

... is always in proper condition to use until it becomes soft, often the yeast cakes are slightly discolored, but this does not affect the yeast, being caused by the oxidation of ...
— The International Jewish Cook Book • Florence Kreisler Greenbaum

... oxidation processes of volumetric analysis standard solutions of oxidizing agents and of reducing agents take the place of the acid and alkali solutions of the neutralization processes already studied. Just as an acid solution was ...
— An Introductory Course of Quantitative Chemical Analysis - With Explanatory Notes • Henry P. Talbot

... Substances.—Chlorine and the hypochlorites have an energetic action on wool, and although they exert a bleaching action they cannot well be used for bleaching wool. Hot solutions bring about a slight oxidation of the fibre, which causes it to have a greater affinity for colouring matters; advantage is taken of this fact in the printing of delaines and woollen fabrics, while the woollen dyer would occasionally find the treatment ...
— The Dyeing of Woollen Fabrics • Franklin Beech

... being pink and end with being blue. The garden convolvulus opens a blushing white and passes into full purple. In all these and many other cases the general direction of the changes is the same. They are usually set down as due to varying degrees of oxidation in the pigmentary matter. If this be so, there is a good reason why bees should be specially fond of blue, and why blue flowers should be specially adapted for fertilization by their aid. For Mr. A.R. Wallace has shown that color is most apt to appear or to vary in those ...
— Library of the World's Best Literature, Ancient and Modern, Vol. 1 • Charles Dudley Warner

... derivatives of the combined properties of the various chemical elements which constitute protoplasm. Biologists have known for more than a century, since the work of Lavoisier and Laplace in 1780, that the fundamental process of the living mechanism is oxidation, and that this process is the same, as they said, for the burning candle and the guinea pig. Beginning with Woehler, in 1828, scores of students of physiological chemistry have duplicated the chemical processes of living matter, which were regarded as ...
— The Doctrine of Evolution - Its Basis and Its Scope • Henry Edward Crampton

... nitrogen. Nitrogen chemically has an exceptional inertness toward most other substances, but once it is a component part of a substance, almost all of these combinations are a very powerful source of energy, and all of them have a very strong effect upon organic life. Nitric acid acts through oxidation, the substances are burned up by the oxygen given off from the acid. Nitric acid occurs in nature, in a combination called nitrates. From the soil the nitrates pass into the plant. Nitrite of amyl acts upon our organs in a most violent and spasmodic way. Nitrous ...
— Manhood of Humanity. • Alfred Korzybski

... scientific research, we can not help feeling that the day has hardly come for embracing physiology under either physics or psychology; the forming of the bile and the growing and waste of brain are yet, to our apprehension, too far removed from the gravitation of planets or the oxidation of phosphorus, on the one hand, as they are from the scintillations of wit or the severe march of reason on the other, for ready affiliation with either. We question decidedly whether Theology proper can, ...
— Continental Monthly, Vol. I, No. VI, June, 1862 - Devoted To Literature and National Policy • Various

... discovered, which threatened more alarming consequences than the others. Upon stripping off some sheets of copper, the spike nails which fastened the planks were found to be decaying, and many were so entirely decomposed by oxidation that a straw was easily thrust through the vacant holes. As we had not enough nails to replace the copper, for that was now our only security, we could not venture to remove more than a few sheets from those parts which appeared ...
— The History of Australian Exploration from 1788 to 1888 • Ernest Favenc

... workshops of Mr. Matthey, and see them hammering and welding away, you would see the value of the experiment I am about to shew you. I have here some platinum-wire. This is a metal which resists the action of acids, resists oxidation by heat, and change of any sort; and which, therefore, I may heat in the atmosphere without any flux. I bend the wire so as to make the ends cross: these I make hot by means of the blowpipe, and then, by giving them a tap with a hammer, I shall make ...
— The Chemical History Of A Candle • Michael Faraday



Words linked to "Oxidation" :   calcination, oxidisation, oxidation state, nitrification, rust, burning, oxidation number, oxidization, reaction, combustion, oxidation-reduction indicator, chemical reaction, oxidate



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