/ Dictionary / Index H hydroxyacetic acid: Meaning and Definition of Find definitions for: hy•drox'y•a•ce'tic ac'id Pronunciation: (hī-drok'sē-u-sē'tik, -u-set'ik, -drok"-). [key] See Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. hydroxy- hydroxy acid Related Content Daily Word Quiz: philtrum Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language