/ Dictionary / Index C crystallographic: Meaning and Definition of Find definitions for: crys•tal•lo•graph•ic Pronunciation: (kris"tl-u-graf'ik), [key] — adj. of, pertaining to, or dealing with crystals or crystallography. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. crystallo- crystallographic axis Related Content Daily Word Quiz: illegible Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language