/ Dictionary / Index B biopsychology: Meaning and Definition of Find definitions for: bi•o•psy•chol•o•gy Pronunciation: (bī"ō-sī-kol'u-jē), [key] — n. a field of psychology that deals with the effects of biological factors on behavior. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. biopsychic bioreactor Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language