/ Dictionary / Index S stearin: Meaning and Definition of Find definitions for: ste•a•rin Pronunciation: (stē'u-rin, stēr'in), [key] — n. any of the three glyceryl esters of stearic acid, esp. CH(CHO), a soft, white, odorless solid found in many natural fats. the crude commercial form of stearic acid, used chiefly in the manufacture of candles. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: stearin (Thesaurus) stearic acid stearo- Related Content Daily Word Quiz: tenacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language