/ Dictionary / Index A acetostearin: Meaning and Definition of Find definitions for: a•ce•to•ste•a•rin Pronunciation: (u-sē"tō-stē'u-rin, -stēr'in, as"i-tō-), [key] — n. Chem. a waxlike, nongreasy solid, CHO: used chiefly as a food preservative and as a plasticizer. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. acetophenone acetous Related Content Daily Word Quiz: gregarious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language