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

Phosphorus :: Phosphorus (n.) A poisonous nonmetallic element of the nitrogen group, obtained as a white, or yellowish, translucent waxy substance, having a characteristic disagreeable smell. It is very active chemically, must be preserved under water, and unites with oxygen even at ordinary temperatures, giving a faint glow, -- whence its name. It always occurs compined, usually in phosphates, as in the mineral apatite, in bones, etc. It is used in the composition on the tips of friction matches, and for man
Hyperoxygenated :: Hyperoxygenated (a.) Alt. of Hyperoxygenize.
Hyperoxide :: Hyperoxide (n.) A compound having a relatively large percentage of oxygen; a peroxide.
Ozonize :: Ozonize (v. t.) To convert into ozone, as oxygen..
Oxyacid :: Oxyacid (n.) An acid containing oxygen, as chloric acid or sulphuric acid; -- contrasted with the hydracids, which contain no oxygen, as hydrochloric acid. See Acid, and Hydroxy-..
Amylate :: Amylate (n.) A compound of the radical amyl with oxygen and a positive atom or radical.
Dioxide :: Dioxide (n.) An oxide containing two atoms of oxygen in each molecule; binoxide.
Suroxide :: Suroxidate (v. t.) To combine with oxygen so as to form a suroxide or peroxide.
Venosity :: Venosity (n.) A condition in which the circulation is retarded, and the entire mass of blood is less oxygenated than it normally is..
Oxychloride :: Oxychloride (n.) A ternary compound of oxygen and chlorine; as, plumbic oxychloride..
Silicon :: Silicon (n.) A nonmetalic element analogous to carbon. It always occurs combined in nature, and is artificially obtained in the free state, usually as a dark brown amorphous powder, or as a dark crystalline substance with a meetallic luster. Its oxide is silica, or common quartz, and in this form, or as silicates, it is, next to oxygen, the most abundant element of the earth's crust. Silicon is characteristically the element of the mineral kingdom, as carbon is of the organic world. Symbol Si. A
Compound :: Compound (n.) A union of two or more ingredients in definite proportions by weight, so combined as to form a distinct substance; as, water is a compound of oxygen and hydrogen..
Dioxide :: Dioxide (n.) An oxide containing but one atom or equivalent of oxygen to two of a metal; a suboxide.
Nonoxygenous :: Nonoxygenous (a.) Without oxygen; characterized by the absence of oxygen; as, a nonoxygenous alkaloid..
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..
Tetroxide :: Tetroxide (n.) An oxide having four atoms of oxygen in the molecule; a quadroxide; as, osmium tetroxide, OsO/..
Carboxide :: Carboxide (n.) A compound of carbon and oxygen, as carbonyl, with some element or radical; as, potassium carboxide..
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..
Ozone :: Ozone (n.) A colorless gaseous substance (O/) obtained (as by the silent discharge of electricity in oxygen) as an allotropic form of oxygen, containing three atoms in the molecule. It is a streng oxidizer, and probably exists in the air, though by he ordinary tests it is liable to be confused with certain other substances, as hydrogen dioxide, or certain oxides of nitrogen. It derives its name from its peculiar odor, which resembles that of weak chlorine..
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..
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