/ Dictionary / Index H hydrophane: Meaning and Definition of Find definitions for: hy•dro•phane Pronunciation: (hī'dru-fān"), [key] — n. a partly translucent variety of opal, which becomes more translucent or transparent when immersed in water. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. hydroperoxide hydrophilic Related Content Daily Word Quiz: lyceum Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language