ni·trate / ˈnītrāt/ •
n. Chem. a salt or ester of nitric acid, containing the anion NO3− or the group –NO3. ∎ sodium nitrate, potassium nitrate, or ammonium nitrate, used as fertilizer: the fertilizer is usually a basic nitrate.•
v. [tr.] treat (a substance) with nitric acid (typically a concentrated mixture of nitric and sulfuric acids), esp. so as to introduce nitro groups.DERIVATIVES: ni·tra·tion / nīˈtrāshən/ n.
Salt of nitric acid
. Nitrate salts contain the nitrate ion (NO3−
) and some are important, naturally occurring compounds such as saltpetre (potassium nitrate
) and Chile
saltpetre (sodium nitrate
). Nitrates are used as food preservers, fertilizers, explosives, and as a source of nitric acid
. They can be an environmental hazard.
A salt or ester of nitric acid
. The salts contain the ion NO3–