/ Dictionary / Index A ammonium lactate: Meaning and Definition of Find definitions for: ammo'nium lac'tate Pronunciation: [key] — Chem. Chem. a colorless to yellow, water-soluble, syrupy liquid, CHNO, used chiefly in electroplating. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. ammonium hydroxide ammonium nitrate Related Content Daily Word Quiz: eccentric Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language