/ Dictionary / Index H halotrichite: Meaning and Definition of Find definitions for: ha•lot•ri•chite Pronunciation: (ha-lo'tru-kīt"), [key] — n. a mineral, iron alum, isomorphous with pickeringite, occurring in the form of yellowish fibers. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. halothane Halpern Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language