• WordNet 3.6
    • n hydrazine a colorless fuming corrosive liquid; a powerful reducing agent; used chiefly in rocket fuels
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Webster's Revised Unabridged Dictionary
    • n Hydrazine (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.
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Century Dictionary and Cyclopedia
    • n hydrazine Diamide, H4N2, a colorless stable gas, soluble in water, having a peculiar odor and a strongly alkaline reaction.
    • n hydrazine The general name of a class of bodies derived from this gas by replacing one or more of its hydrogen atoms by a compound radical: as, ethyl hydrazine, C2H5N2H3.
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Webster's Revised Unabridged Dictionary
Hydr-, + azo-, + -ine,


In literature:

While they're unloading the G-boat, I wish you'd get the tanks refilled with hydrazine and nitric acid.
"Atom Drive" by Charles Louis Fontenay
C. For other reactions see HYDRAZINE.
"Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 4" by Various
Its tetrazo compound on reduction gives a hydrazine which, on warming with hydrochloric acid at 150 deg.
"Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 5" by Various
Another portion of the solution gave a slight precipitate with phenyl hydrazine in the cold.
"Some Constituents of the Poison Ivy Plant: (Rhus Toxicodendron)" by William Anderson Syme
Amidoguanidine is a body of hydrazine type, for it reduces gold and silver salts and yields a benzylidine derivative.
"Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 6" by Various
On digestion of its warm aqueous solution with warm dilute sulphuric acid, hydrazine sulphate and oxalic acid are obtained.
"Encyclopaedia Britannica, 11th Edition, Volume 14, Slice 1" by Various

In news:

Hydrazine is moderately toxic, with effects akin to chlorine gas.
The hydrazine cloud from USA 193's tank would, if rele...