/ Dictionary / Index C chill factor: Meaning and Definition of Find definitions for: chill' fac"tor Pronunciation: [key] — Meteorol. Meteorol. See Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. chiller-diller chilli Related Content Daily Word Quiz: arboreal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language