Daily Almanac for
Nov 30, 2009
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ni•trate



Pronunciation: (
—n.nī'trāt, -trit;
—v.nī'trāt), [key]
—n., v., -trat•ed, -trat•ing.

—n.
1. Chem.a salt or ester of nitric acid, or any compound containing the univalent group –ONO2 or NO3.
2. fertilizer consisting of potassium nitrate or sodium nitrate.
3. cellulose nitrate, a substance used as a film base in the early days of filmmaking.
4. Informal.See nitrate film.

—v.t.
1. to treat with nitric acid or a nitrate.
2. to convert into a nitrate.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

nitramino groupnitrate film
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