weight 14. It was formerly regarded as a permanent noncondensible gas, but was liquefied in 1877 by
Cailletet of Paris, and Pictet of Geneva.
(Ni"tro*gen*ize) v. t. [imp. & p. p. Nitrogenized ; p. pr. & vb. n. Nitrogenizing.] (Chem.)
To combine, or impregnate, with nitrogen or its compounds.
Nitrogenous foods. See 2d Note under Food, n., 1.
(Ni*trog"e*nous) a. (Chem.) Of, pertaining to, or resembling, nitrogen; as, a nitrogenous
principle; nitrogenous compounds.
(Ni`tro*glyc"er*in) n. [Nitro- + glycerinn.] (Chem.) A liquid appearing like a heavy oil,
colorless or yellowish, and consisting of a mixture of several glycerin salts of nitric acid, and hence more
properly called glycerin nitrate. It is made by the action of nitric acid on glycerin in the presence of
sulphuric acid. It is extremely unstable and terribly explosive. A very dilute solution is used in medicine
as a neurotic under the name of glonion. [Written also nitroglycerine.]
A great number of explosive compounds have been produced by mixing nitroglycerin with different substances; as,
dynamite, or giant powder, nitroglycerin mixed with siliceous earth; lithofracteur, nitroglycerin with gunpowder,
or with sawdust and nitrate of sodium or barium; Colonia powder, gunpowder with nitroglycerin; dualin,
nitroglycerin with sawdust, or with sawdust and nitrate of potassium and some other substances; lignose,
wood fiber and nitroglycerin.
Nitrohydrochloric acid, a mixture of nitric and hydrochloric acids, usually in the proportion of one part
of the former to three of the latter, and remarkable for its solvent action on gold and platinum; called
also nitromuriatic acid, and aqua regia.
(Ni`tro*hy`dro*chlo"ric) a. [Nitro- + hydrochloric.] (Chem.) Of, pertaining to, or containing,
nitric and hydrochloric acids.
(Ni"trol) n. (Chem.) Any one of a series of hydrocarbons containing the nitro and the nitroso or
isonitroso group united to the same carbon atom.
(Ni*tro"le*um) n. [NL., fr. L. nitrum natron + oleum oil.] (Chem.) Nitroglycerin.
(Ni*trol"ic) a. (Chem.) Of, derived from, or designating, a nitrol; as, a nitrolic acid.
(Ni`tro*mag"ne*site) n. [Nitro- + magnesite.] (Chem.) Nitrate of magnesium, a saline
efflorescence closely resembling nitrate of calcium.
(Ni*trom"e*ter) n. [Nitro- + -meter: cf. F. nitromètre.] (Chem.) An apparatus for determining
the amount of nitrogen or some of its compounds in any substance subjected to analysis; an azotometer.
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