/ Dictionary / Index A aprotic: Meaning and Definition of Find definitions for: a•pro•tic Pronunciation: (ā-prō'tik), [key] — adj. Chem. not containing dissociable hydrogen. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. à propos de rien* aprowl Related Content Daily Word Quiz: mamba Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language