/ Dictionary / Index C calmodulin: Meaning and Definition of Find definitions for: cal•mod•u•lin Pronunciation: (kal-moj'u-lin), [key] — n. Biochem. a calcium-binding protein occurring in many tissues and participating in the regulation of many biochemical and physiological processes. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. calmative calmy Related Content Daily Word Quiz: alacrity Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language