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cyanogen n. 氰 氰 cyanogen n 1: a colorless toxic gas with a pungent almond odor; has been used in chemical warfareCyanogen \ Cy* an" o* gen\ ( s?-? n"?- j? n), n. [ Gr. ky` anos a dark blue substance - gen: cf. F. cyanog[` e] ne. So called because it produced blue dyes.] ( Chem.) A colorless, inflammable, poisonous gas, { C2N2}, with a peach- blossom odor, so called from its tendency to form blue compounds; obtained by heating ammonium oxalate, mercuric cyanide, etc. It is obtained in combination, forming an alkaline cyanide when nitrogen or a nitrogenous compound is strongly ignited with carbon and soda or potash. It conducts itself like a member of the halogen group of elements, and shows a tendency to form complex compounds. The name is also applied to the univalent radical, { CN} ( the half molecule of cyanogen proper), which was one of the first compound radicals recognized. [ 1913 Webster] Note: Cyanogen is found in the commercial substances, potassium cyanide, or prussiate of potash, yellow prussiate of potash, Prussian blue, Turnbull' s blue, prussic acid, etc. [ 1913 Webster]
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