/ Dictionary / Index T thiamine mononitrate: Meaning and Definition of Find definitions for: thi'amine mon•o•ni'trate Pronunciation: (mon"u-nī'trāt). [key] See under Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. thiamine thiazide Related Content Daily Word Quiz: frugal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language