/ Dictionary / Index C colloidal suspension: Meaning and Definition of Find definitions for: colloi'dal suspen'sion. Pronunciation: [key] See under(def. 6). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. colloidal colloid chemistry Related Content Daily Word Quiz: blithesome Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language