/ Dictionary / Index P psychopharmacology: Meaning and Definition of Find definitions for: psy•cho•phar•ma•col•o•gy Pronunciation: (sī"kō-fär"mu-kol'u-jē), [key] — n. the branch of pharmacology dealing with the psychological effects of drugs. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: psychopharmacology (Thesaurus) psychopathy psychopharmacotherapy Related Content Daily Word Quiz: cygnet Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language