/ Dictionary / Index C calori-: Meaning and Definition of Find definitions for: calori- Pronunciation: [key] a combining form meaning “heat,” used in the formation of compound words: calorimeter. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. calorescence caloric 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