/ Dictionary / Index T thioacetic: Meaning and Definition of Find definitions for: thi•o•a•ce•tic Pronunciation: (thī"ō-u-sē'tik, -set'ik), [key] — adj. Chem. of or derived from thioacetic acid. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. thioacetamide thioacetic acid Related Content Daily Word Quiz: illegible Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language