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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..

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..

Hydroxide :: Hydroxide (n.) A hydrate; a substance containing hydrogen and oxygen, made by combining water with an oxide, and yielding water by elimination. The hydroxides are regarded as compounds of hydroxyl, united usually with basic element or radical; as, calcium hydroxide ethyl hydroxide..

Valence :: Valence (n.) The degree of combining power of an atom (or radical) as shown by the number of atoms of hydrogen (or of other monads, as chlorine, sodium, etc.) with which it will combine, or for which it can be substituted, or with which it can be compared; thus, an atom of hydrogen is a monad, and has a valence of one; the atoms of oxygen, nitrogen, and carbon are respectively dyads, triads, and tetrads, and have a valence respectively of two, three, and four..

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..

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..

Anaerobies :: Anaerobies (n. pl.) Microorganisms which do not require oxygen, but are killed by it..

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

Supporter :: Supporter (n.) One who, or that which, supports; as, oxygen is a supporter of life..

Venosity :: Venosity (n.) A condition in which the circulation is retarded, and the entire mass of blood is less oxygenated than it normally is..

Deoxidizer :: Deoxidizer (n.) That which removes oxygen; hence, a reducing agent; as, nascent hydrogen is a deoxidizer..

Acetyl :: Acetyl (n.) A complex, hypothetical radical, composed of two parts of carbon to three of hydrogen and one of oxygen. Its hydroxide is acetic acid..

Nonmetal :: Nonmetal (n.) Any one of the set of elements which, as contrasted with the metals, possess, produce, or receive, acid rather than basic properties; a metalloid; as, oxygen, sulphur, and chlorine are nonmetals..

Amphigen :: Amphigen (n.) An element that in combination produces amphid salt; -- applied by Berzelius to oxygen, sulphur, selenium, and tellurium..

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..

Antozone :: Antozone (n.) A compound formerly supposed to be modification of oxygen, but now known to be hydrogen dioxide; -- so called because apparently antagonistic to ozone, converting it into ordinary oxygen..

Dioxide :: Dioxide (n.) An oxide containing two atoms of oxygen in each molecule; binoxide.

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

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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