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Definitions of oxygen

  1. a nonmetallic bivalent element that is normally a colorless odorless tasteless nonflammable diatomic gas; constitutes 21 percent of the atmosphere by volume; the most abundant element in the earth's crust Scrapingweb Dictionary DB
  2. A colorless, tasteless, odorless, gaseous element occurring in the free state in the atmosphere, of which it forms about 23 per cent by weight and about 21 per cent by volume, being slightly heavier than nitrogen. Symbol O. Atomic weight 15.96. Webster Dictionary DB
  3. Chlorine used in bleaching. Webster Dictionary DB
  4. An element with atomic symbol O, atomic number 8, and atomic weight 16. It is the most abundant element on earth and essential for respiration. Medical Dictionary DB
  5. A colorless, odorless, tasteless gas, which forms one-fifth by volume of the atmosphere. The Winston Simplified Dictionary. By William Dodge Lewis, Edgar Arthur Singer. Published 1919.
  6. Oxygenium (U.S.), a gaseous element, symbol O, atomic weight 16, the most abundant and widely distributed of all the chemical elements; it combines with most of the other elements to form oxides, and is essential to animal and plant life. Oxygen is employed by inhalation in pneumonia, in dyspnea and cyanosis, and is sometimes given to athletes before a contest with the idea that it increases the "wind" and the staying powers. A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
  7. Gas in the atmosphere essential to life; used to advantage in diseases of the lungs. Warner's pocket medical dictionary of today. By William R. Warner. Published 1898.
  8. A gas without taste, color, or smell, forming part of the air, water, etc., and supporting life and combustion. The american dictionary of the english language. By Daniel Lyons. Published 1899.
  9. An elementary gas, which forms part of the air, and supports life and combustion. The Clarendon dictionary. By William Hand Browne, Samuel Stehman Haldeman. Published 1894.
  10. A gaseous element, necessary to combustion and to animal life, existing in both the air and water. The Concise Standard Dictionary of the English Language. By James Champlin Fernald. Published 1919.
  11. A colourless, inodorous, tasteless gas, constituting one fifth of the atmosphere, and the supporter of life and ordinary combustion. Nuttall's Standard dictionary of the English language. By Nuttall, P.Austin. Published 1914.
  12. That elementary gaseous body which gives to air its power of supporting respiration and combustion, and which, by its union with hydrogen, forms water. Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.
  13. A colorless, tasteless, odorless, gaseous element of atomic number 8, occurring in the free state in the atmosphere, of which it forms about 23 per cent by weight and about 21 per cent by volume, being slightly heavier than nitrogen. Symbol O. Atomic weight 15.9994. dictgcide_fs
  14. oks'i-jen, n. a gas without taste, colour, or smell, forming part of the air, water, &c., and supporting life and combustion.--n. OXYCHL[=O]'RIDE, a chemical compound containing both chlorine and oxygen in combination with some other element.--v.t. OX'YGEN[=A]TE, to unite, or cause to unite, with oxygen.--n. OXYGEN[=A]'TION, act of oxygenating.--v.t. OX'YGENISE (same as OXYGENATE).--adj. OXYG'ENOUS, pertaining to, or obtained from, oxygen.--adj. OXYHY'DROGEN, pertaining to a mixture of oxygen and hydrogen, as in a form of blowpipe in which jets of either ignite as they issue from separate reservoirs. [Gr. oxys, sharp, gen, the root of gennaein, to generate.] gutenberg.org/ebooks/37683
  15. I engender,' that is, generator of acids; and such it was believed to be, exclusively, at the period when the name was given to it. This is now known not to be the case. Oxygen is largely distributed in nature. It exists in the air, in water, in several acids, in all the oxyds, and in vegetable and animal substances, &c. It is obtained by decomposing the peroxyd of manganese of the chlorate of potassa by heat in close vessels. Although oxygen, in the state of admixture in which it is found in the atmosphere, is of vital importance, it cannot be respired in a pure state with impunity. Animals die in it long before the whole of the oxygen is consumed. The properties of oxygen seem to be stimulant. It increases the force and velocity of the pulse, and has, accordingly, been used in cases of chronic debility, chlorosis, asthma, scrofula, dropsy, paralysis, &c. It requires to be diluted with from 10 to 20 parts of atmospheric air; one to two quarts being given during the day. Medical Lexicon. A Dictionary of Medical Science
  16. Colourless tasteless scentless gas, one of the non-metallic elements, existing free in air& combined in water& most minerals& organic substances, & being essential to animal& vegetable life. Hence oxygenous a. [French] Concise Oxford Dictionary
  17. A gaseous element existing free in the air. American pocket medical dictionary.
  18. A non-metallic element discovered by Priestley in 1774, and termed by him dephlogisticated air, its present name being given to it by Lavoisier in 1778. It is a colorless, tasteless, and odorless gas, of a sp. gr. of 1.105 as compared with that of air, and soluble in water, which takes up about 4 per cent, of it by volume. Atomic weight, 16.00; symbol, O. Under the combined influence of a very low temperature (- 130 C.) and great pressure (475 atmospheres, or about 3 1/2 tons to the square inch) o. is liquefied. Under certain conditions it is converted into ozone. It is used therapeutically by inhalation in bronchitis and pneumonia where there is deficient aeration in consequence of heart distention, in resuscitating persons asphyxiated by coal gas, in chloroform or ether narcosis, and to relieve dyspnea in phthisis and diabetic coma. The saturated water is used for gastric or intestinal indigestion, nausea, and gastric or neuralgic headache, [Gr.] Appleton's medical dictionary.
  19. [Gr.] A gaseous element, supporting life and flame, and originally supposed to be an essential part of every acid. Glossary of terms and phrases - Percy
  20. n. [Greek] A gaseous element possessing strong chemical affinities. Its combination with bodies, when rapid, produces combustion, and in slower form, oxidation. It serves to support life, and forms about twenty-two per cent. Of the atmosphere. By composition with hydrogen it forms water. Cabinet Dictionary
  21. n. [Greek] A triangle having three acute angles. Cabinet Dictionary

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