/ Dictionary / Index P psychophysiology: Meaning and Definition of Find definitions for: psy•cho•phys•i•ol•o•gy Pronunciation: (sī"kō-fiz"ē-ol'u-jē), [key] — n. the branch of physiology that deals with the interrelation of mental and physical phenomena. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: psychophysiology (Thesaurus) psychophysiologic disorder psychopomp Related Content Daily Word Quiz: frugal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language