/ Dictionary / Index S sweet spirit of nitre: Meaning and Definition of Find definitions for: sweet' spir'it of ni'tre Pronunciation: [key] — Pharm. Pharm. See Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. sweet spire sweet talk Related Content Daily Word Quiz: blanch Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language