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One who, or that which, supports; as, oxygen is a supporter of life. The sockets and supporters of flowers are figured. Bacon. The saints have a . . . supporter in all their miseries. South.

To combine with oxygen so as to form a suroxide or peroxide. [Obs.]

e who, or that which, sweeps, or cleans by sweeping; a sweep; as, a carpet sweeper. It is oxygen which is the great sweeper of the economy. Huxley.

together, as contrasted with analysis; thus, water is made by synthesis from hydrogen and oxygen; hence, specifically, the building up of complex compounds by special reactions, whereby their component radicals are so grouped that the resulting substances are identical in every respect with the natural articles when su…

he ultimate source of the heat is to be found in the potential energy of the food and the oxygen which is absorbed from the air during respiration. See Homoiothermal. -- Temperature sense (Physiol.), the faculty of perceiving cold and warmth, and so of perceiving differences of temperature in external objects. H. N. M…

An oxide having four atoms of oxygen in the molecule; a quadroxide; as, osmium tetroxide, OsO.

An oxide containing three atoms of oxygen; as, sulphur trioxide, SO3; -- formerly called tritoxide.

A salt of orthosilicic acid, H4SiO4; -- so called because the ratio of the oxygen atoms united to the basic metals and silicon respectively is 1:1; for example, Mg2SiO4 or 2MgO.SiO2.

nearly always crystalline. Chemically, it is composed of carbon, hydrogen, nitrogen, and oxygen, C5H4N4O3, and by decomposition yields urea, among other products. It can be made synthetically by heating together urea and glycocoll. It was formerly called also lithic acid, in allusion to its occurrence in stone, or cal…

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.

tained from vanadium; -- said of an acid containing one equivalent of vanadium and two of oxygen.

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

n 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.

crates . . . affirm the birth of the seventh month to be vital. Sir T. Browne. Vital air, oxygen gas; -- so called because essential to animal life. [Obs.] -- Vital capacity (Physiol.), the breathing capacity of the lungs; -- expressed by the number of cubic inches of air which can be forcibly exhaled after a full insp…

ion 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.

mposed of zinc and amyle, which, when exposed to the atmosphere, emits fumes, and absorbs oxygen with rapidity. -- Zinc blende Etym: [cf. G. zinkblende] (Min.), a native zinc sulphide. See Blende, n. (a) -- Zinc bloom Etym: [cf. G. zinkblumen flowers of zinc, oxide of zinc] (Min.), hydrous carbonate of zinc, usually o…