/ Dictionary / Index I ice crystals: Meaning and Definition of Find definitions for: ice' crys"tals Pronunciation: [key] — Meteorol. Meteorol. precipitation consisting of small, slowly falling crystals of ice. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. ice-cream supper ice cube Related Content Daily Word Quiz: diligent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language