/ Dictionary / Index S sulfiting agent: Meaning and Definition of Find definitions for: sul'fit•ing a"gent Pronunciation: (sul'fī-ting), [key] sulfite (def. 2). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. sulfite pulp sulfo Related Content Daily Word Quiz: cacophony Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language