/ Dictionary / Index S Schiff reagent: Meaning and Definition of Find definitions for: Schiff' rea'gent Pronunciation: (shif), [key] — Chem. Chem. a solution of rosaniline and sulfurous acid in water, used to test for the presence of aldehydes. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. schiffli schiller Related Content Daily Word Quiz: winsome Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language