Nitrous
[Adjective]
Webster's Dictionary 1828
Pertaining to
niter;
partaking of the qualities of
niter, or resembling it. nitrous acid is one of the compounds formed of nitrogen and oxygen, in which the oxygen is in a lower proportion than that in which the same elements form nitric acid.
Nitrous
[Adjective]
Webster's Dictionary 1913
1. Of, pertaining to, or containing,
niter; of the quality of
niter, or resembling it.
2. Of, pertaining to, or designating, any one of those compounds in which nitrogen has a relatively lower
valence as contrasted with nitric compounds.