/ Dictionary / Index H hydrochloric: Meaning and Definition of Find definitions for: hy•dro•chlo•ric Pronunciation: (hī"dru-klôr'ik, -klōr'-), [key] — adj. of or derived from hydrochloric acid. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. hydrocephalus hydrochloric acid Related Content Daily Word Quiz: reclusive Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language