Hypertext Webster Gateway: "Hydrazine"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Hydrazine \Hy"dra*zine\, n. [Hydr- + azo- + -ine.] (Chem.)
Any one of a series of nitrogenous bases, resembling the
amines and produced by the reduction of certain nitroso and
diazo compounds; as, methyl hydrazine, phenyl hydrazine, etc.
They are derivatives of hydrazine proper, {H2N.NH2}, which is
a doubled amido group, recently (1887) isolated as a stable,
colorless gas, with a peculiar, irritating odor. As a base it
forms distinct salts. Called also {diamide}, {amidogen}, (or
more properly {diamidogen}), etc.
From WordNet (r) 1.7 (wn)
hydrazine
n : a colorless fuming corrosive liquid; a powerful reducing
agent; used chiefly in rocket fuels
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