/ Dictionary / Index C chromatography: Meaning and Definition of Find definitions for: chro•ma•tog•ra•phy Pronunciation: (krō"mu-tog'ru-fē), [key] — n. Chem. the separation of mixtures into their constituents by preferential adsorption by a solid, as a column of silicaor a strip of filter paperor by a gel. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: chromatography (Thesaurus) chromatograph chromatology Related Content Daily Word Quiz: lunar Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language