nitrate /ˈnaɪˌtɹeɪt/noun 1verb 1forms 3 noun1 •Any salt or ester of nitric acid.Nitrates are most commonly used in fertilizers, especially sodium and potassium nitrates. Numerous water wells have had to be abandoned because of the lack of a way to deal with the problem. — 1992 verb1 •To treat, or react, with nitric acid or a nitrate formsnitrated · nitrating · nitrates
