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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Arterialization :: Arterialization (n.) The process of converting venous blood into arterial blood during its passage through the lungs, oxygen being absorbed and carbonic acid evolved; -- called also aeration and hematosis..

Oxy- :: Oxy- () A compound containing oxygen.

Dyad :: Dyad (a.) Having a valence or combining power of two; capable of being substituted for, combined with, or replaced by, two atoms of hydrogen; as, oxygen and calcium are dyad elements. See Valence..

Microcrith :: Microcrith (n.) The weight of the half hydrogen molecule, or of the hydrogen atom, taken as the standard in comparing the atomic weights of the elements; thus, an atom of oxygen weighs sixteen microcriths. See Crith..

Semioxygenated :: Semioxygenated (a.) Combined with oxygen only in part.

Oxygenation :: Oxygenation (n.) The act or process of combining or of treating with oxygen; oxidation.

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

Oxygenic :: Oxygenic (a.) Pertaining to, containing, or resembling, oxygen; producing oxygen..

Determination :: Determination (n.) The act, process, or result of any accurate measurement, as of length, volume, weight, intensity, etc.; as, the determination of the ohm or of the wave length of light; the determination of the salt in sea water, or the oxygen in the air..

Nonoxygenous :: Nonoxygenous (a.) Without oxygen; characterized by the absence of oxygen; as, a nonoxygenous alkaloid..

Weldon''s Process :: Weldon's process () A process for the recovery or regeneration of manganese dioxide in the manufacture of chlorine, by means of milk of lime and the oxygen of the air; -- so called after the inventor..

Oxycalcium :: Oxycalcium (a.) Of or pertaining to oxygen and calcium; as, the oxycalcium light. See Drummond light..

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..

Arterialize :: Arterialize (v. t.) To transform, as the venous blood, into arterial blood by exposure to oxygen in the lungs; to make arterial..

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..

Tetroxide :: Tetroxide (n.) An oxide having four atoms of oxygen in the molecule; a quadroxide; as, osmium tetroxide, OsO/..

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..

Incoercible :: Incoercible (a.) Not capable of being reduced to the form of a liquid by pressure; -- said of any gas above its critical point; -- also particularly of oxygen, hydrogen, nitrogen, and carbon monoxide, formerly regarded as incapable of liquefaction at any temperature or pressure..

Oxychloride :: Oxychloride (n.) A ternary compound of oxygen and chlorine; as, plumbic oxychloride..

Aeration :: Aeration (n.) A change produced in the blood by exposure to the air in respiration; oxygenation of the blood in respiration; arterialization.