| hyponitrous | <chemistry> Containing or derived from nitrogen having a lower valence than in nitrous compounds. <chemistry> Hyponitrous acid, an unstable nitrogen acid, NOH, whose salts are produced by reduction of the nitrates, although the acid itself is not isolated in the free state except as a solution in water. Synonym: nitrosylic acid. Origin: Pref. Hypo- + nitrous. Source: Websters Dictionary (01 Mar 1998) |
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