The univalent radical NO3 or a compound containing it, as a salt or an ester of nitric acid.
Fertilizer consisting of sodium nitrate or potassium nitrate.
To treat with nitric acid or a nitrate, usually to change (an organic compound) into a nitrate.
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.