Definition of oxygen

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Oxygen (n.) 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..

Lern More About Oxygen

Peroxide :: Peroxide (n.) An oxide containing more oxygen than some other oxide of the same element. Formerly peroxides were regarded as the highest oxides. Cf. Per-, 2..
Sesquioxide :: Sesquioxide (n.) An oxide containing three atoms of oxygen with two atoms (or radicals) of some other substance; thus, alumina, Al2O3 is a sesquioxide..
Venous :: Venous (a.) Contained in the veins, or having the same qualities as if contained in the veins, that is, having a dark bluish color and containing an insufficient amount of oxygen so as no longer to be fit for oxygenating the tissues; -- said of the blood, and opposed to arterial..
Unisilicate :: Unisilicate (n.) A salt of orthosilicic acid, H4SiO4; -- so called because the ratio of the oxygen atoms united to the basic metals and silicon respectively is 1:1; for example, Mg2SiO4 or 2MgO.SiO2..
Drummond Light :: Drummond light () A very intense light, produced by turning two streams of gas, one oxygen and the other hydrogen, or coal gas, in a state of ignition, upon a ball of lime; or a stream of oxygen gas through a flame of alcohol upon a ball or disk of lime; -- called also oxycalcium light, or lime light..
Carboxide :: Carboxide (n.) A compound of carbon and oxygen, as carbonyl, with some element or radical; as, potassium carboxide..
Mother :: Mother (n.) A film or membrane which is developed on the surface of fermented alcoholic liquids, such as vinegar, wine, etc., and acts as a means of conveying the oxygen of the air to the alcohol and other combustible principles of the liquid, thus leading to their oxidation..
Vanadous :: Vanadous (a.) Of or pertaining to vanadium; obtained from vanadium; -- said of an acid containing one equivalent of vanadium and two of oxygen.
Organogen :: Organogen (n.) A name given to any one of the four elements, carbon, hydrogen, oxygen, and nitrogen, which are especially characteristic ingredients of organic compounds; also, by extension, to other elements sometimes found in the same connection; as sulphur, phosphorus, etc..
Animal :: Animal (n.) An organized living being endowed with sensation and the power of voluntary motion, and also characterized by taking its food into an internal cavity or stomach for digestion; by giving carbonic acid to the air and taking oxygen in the process of respiration; and by increasing in motive power or active aggressive force with progress to maturity..
Oxygenator :: Oxygenator (n.) An oxidizer.
Deoxygenate :: Deoxygenate (v. t.) To deoxidize.
Condensation :: Condensation (n.) A rearrangement or concentration of the different constituents of one or more substances into a distinct and definite compound of greater complexity and molecular weight, often resulting in an increase of density, as the condensation of oxygen into ozone, or of acetone into mesitylene..
Deoxidizer :: Deoxidizer (n.) That which removes oxygen; hence, a reducing agent; as, nascent hydrogen is a deoxidizer..
Kaligenous :: Kaligenous (a.) Forming alkalies with oxygen, as some metals..
Oxychloric :: Oxychloric (a.) Of, pertaining to, or designating in general, certain compounds containing oxygen and chlorine..
Deutoxide :: Deutoxide (n.) A compound containing in the molecule two atoms of oxygen united with some other element or radical; -- usually called dioxide, or less frequently, binoxide..
Deoxygenation :: Deoxygenation (n.) The act or operation of depriving of oxygen.
Aeration :: Aeration (n.) The act or preparation of charging with carbonic acid gas or with oxygen.
Oxyhydrogen :: Oxyhydrogen (a.) Of or pertaining to a mixture of oxygen and hydrogen; as, oxyhydrogen gas..
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