/ Dictionary / Index C column chromatography: Meaning and Definition of Find definitions for: col'umn chromatog"raphy Pronunciation: [key] — Chem. Chem. See under Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. columnar jointing columnea Related Content Daily Word Quiz: morose Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language