/ Dictionary / Index C chronobiology: Meaning and Definition of Find definitions for: chron•o•bi•ol•o•gy Pronunciation: (kron"ō-bī-ol'u-jē), [key] — n. the science or study of the effect of time, esp. rhythms, on living systems. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. chrono chronogram Related Content Daily Word Quiz: supine Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language