/ Dictionary / Index C chelating agent: Meaning and Definition of Find definitions for: che'lating a"gent Pronunciation: (kē'lā-tur). [key] — Chem. Chem. a ligand that forms chelates. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. chelate chelation Related Content Daily Word Quiz: nonchalant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language