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1. The univalent anionic group NO3, derived from nitric acid, or a compound containing this group.
2. Fertilizer consisting of sodium nitrate, potassium nitrate, or ammonium nitrate.
tr.v. ni·trat·ed, ni·trat·ing, ni·trates
To treat with nitric acid or a nitrate, usually to change (an organic compound) into a nitrate.
a vessel in which nitration occursa tool for dispersing nitrate fertilizer on soil