/ Dictionary / Index C colligative: Meaning and Definition of Find definitions for: col•li•ga•tive Pronunciation: (kol'i-gā"tiv), [key] — adj. Physical Chem. (of the properties of a substance) depending on the number of molecules or atoms rather than on their nature. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. colligate collimate Related Content Daily Word Quiz: drowsy Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language