/ Dictionary / Index P paper chromatography: Meaning and Definition of Find definitions for: pa'per chromatog'raphy Pronunciation: [key] — Chem. Chem. See under Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. paper chase paper clip Related Content Daily Word Quiz: penury Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language