Result from Foreign Dictionaries (2 entries found)
From The Collaborative International Dictionary of English v.0.48 [gcide]:
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.
[1913 Webster]
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.
[1913 Webster]
{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}.
[1913 Webster]
From WordNet (r) 3.0 (2006) [wn]:
nitrous acid
n 1: an unstable inorganic acid known only in solution and as
nitrite salts
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เช่น Secretary of State=รัฐมนตรีต่างประเทศของสหรัฐฯ (ในภาพตัวอย่าง),
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