English definition of Oxygen

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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..

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Oxygen :: Oxygen (n.) Chlorine used in bleaching.

Bude Light :: Bude light () A light in which high illuminating power is obtained by introducing a jet of oxygen gas or of common air into the center of a flame fed with coal gas or with oil.

Protoxidize :: Protoxidize (v. t.) To combine with oxygen, as any elementary substance, in such proportion as to form a protoxide..

Oxide :: Oxide (n.) A binary compound of oxygen with an atom or radical, or a compound which is regarded as binary; as, iron oxide, ethyl oxide, nitrogen oxide, etc..

Perchloric :: Perchloric (a.) Pertaining to, or designating, the highest oxygen acid (HClO4), of chlorine; -- called also hyperchloric..

Hydrate :: Hydrate (n.) A substance which does not contain water as such, but has its constituents (hydrogen, oxygen, hydroxyl) so arranged that water may be eliminated; hence, a derivative of, or compound with, hydroxyl; hydroxide; as, ethyl hydrate, or common alcohol; calcium hydrate, or slaked lime..

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..

Calcium :: Calcium (n.) An elementary substance; a metal which combined with oxygen forms lime. It is of a pale yellow color, tenacious, and malleable. It is a member of the alkaline earth group of elements. Atomic weight 40. Symbol Ca..

Oxygenated :: Oxygenated (imp. & p. p.) of Oxygenat.

Oxidizer :: Oxidizer (n.) An agent employed in oxidation, or which facilitates or brings about combination with oxygen; as, nitric acid, chlorine, bromine, etc., are strong oxidizers..

Element :: Element (n.) One of the ultimate, undecomposable constituents of any kind of matter. Specifically: (Chem.) A substance which cannot be decomposed into different kinds of matter by any means at present employed; as, the elements of water are oxygen and hydrogen..

Ozonize :: Ozonize (v. t.) To convert into ozone, as oxygen..

Oxygenize :: Oxygenize (v. t.) To oxidize.

Bond :: Bond (n.) A unit of chemical attraction; as, oxygen has two bonds of affinity. It is often represented in graphic formulae by a short line or dash. See Diagram of Benzene nucleus, and Valence..

Selenio- :: Selenio- () A combining form (also used adjectively) denoting the presence of selenium or its compounds; as, selenio-phosphate, a phosphate having selenium in place of all, or a part, of the oxygen..

Ester :: Ester (n.) An ethereal salt, or compound ether, consisting of an organic radical united with the residue of any oxygen acid, organic or inorganic; thus the natural fats are esters of glycerin and the fatty acids, oleic, etc..

Deoxygenation :: Deoxygenation (n.) The act or operation of depriving of oxygen.

Amylate :: Amylate (n.) A compound of the radical amyl with oxygen and a positive atom or radical.

Oxygenating :: Oxygenating (p. pr. & vb. n.) of Oxygenat.

Sulphocarbonate :: Sulphoarsenic (a.) Of, pertaining to, or containing, sulphur and arsenic; -- said of an acid which is the same as arsenic acid with the substitution of sulphur for oxygen..