The DICT Development Group
2 definitions found
for Nitrous acid
From The Collaborative International Dictionary of English v.0.48 :
Nitrous \Ni"trous\, a. [L. nitrosus full of natron: cf. F.
nitreux. See Niter.]
1. Of, pertaining to, or containing, niter; of the quality of
niter, or resembling it.
2. (Chem.) Of, pertaining to, or designating, any one of
those compounds in which nitrogen has a relatively lower
valence as contrasted with nitric compounds.
Nitrous acid (Chem.), a hypothetical acid of nitrogen
HNO2, not known in the free state, but forming a well
known series of salts, viz., the nitrites.
Nitrous oxide. See Laughing gas.
From WordNet (r) 3.0 (2006) :
n 1: an unstable inorganic acid known only in solution and as
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