/ Dictionary / Index H hydrotropic: Meaning and Definition of Find definitions for: hy•dro•trop•ic Pronunciation: (hī"dru-trop'ik, -trō'pik), [key] — adj. turning or tending in a particular direction with reference to moisture. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. hydrothorax hydrotropism Related Content Daily Word Quiz: perspicacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language