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
Aerate ::
Aerate (v. t.) To expose to the chemical action of air; to oxygenate (the blood) by respiration; to arterialize.
Respiration ::
Respiration (n.) The act of resping or breathing; the act of taking in and giving out air; the aggregate of those processes bu which oxygen is introduced into the system, and carbon dioxide, or carbonic acid, removed..
Subpeduncular ::
Suboxide (n.) An oxide containing a relatively small amount of oxygen, and less than the normal proportion; as, potassium suboxide, K4O..
Oxidize ::
Oxidize (v. t.) To combine with oxygen, or subject to the action of oxygen, or of an oxidizing agent..
Liquefaction ::
Liquefaction (n.) The act, process, or method, of reducing a gas or vapor to a liquid by means of cold or pressure; as, the liquefaction of oxygen or hydrogen..
Oxychloric ::
Oxychloric (a.) Of, pertaining to, or designating in general, certain compounds containing oxygen and chlorine..
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..
Perbromic ::
Perbromic (a.) Pertaining to, or designating, the highest oxygen acid, HBrO4, of bromine..
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..
Ore ::
Ore (n.) The native form of a metal, whether free and uncombined, as gold, copper, etc., or combined, as iron, lead, etc. Usually the ores contain the metals combined with oxygen, sulphur, arsenic, etc. (called mineralizers)..
Protoxide ::
Protoxide (n.) That one of a series of oxides having the lowest proportion of oxygen. See Proto-, 2 (b)..
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..
Periodic ::
Periodic (a.) Pertaining to, derived from, or designating, the highest oxygen acid (HIO/) of iodine..
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..
Dioxide ::
Dioxide (n.) An oxide containing but one atom or equivalent of oxygen to two of a metal; a suboxide.
Mineralizer ::
Mineralizer (n.) An element which is combined with a metal, thus forming an ore. Thus, in galena, or lead ore, sulphur is a mineralizer; in hematite, oxygen is a mineralizer..
Sulphamate ::
Sulphacid (n.) An acid in which, to a greater or less extent, sulphur plays a part analogous to that of oxygen in an oxyacid; thus, thiosulphuric and sulpharsenic acids are sulphacids; -- called also sulphoacid. See the Note under Acid, n., 2..
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