/ Dictionary / Index M mannitol hexanitrate: Meaning and Definition of Find definitions for: man'nitol hexani'trate Pronunciation: [key] a colorless, crystalline, water-insoluble, explosive solid, CHNO, used as a fulminating agent in percussion caps and in the treatment of hypertension and coronary insufficiency. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. mannitol mannose Related Content Daily Word Quiz: mamba Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language