/ Dictionary / Index P peripheralism: Meaning and Definition of Find definitions for: pe•riph•er•al•ism Pronunciation: (pu-rif'ur-u-liz"um), [key] — n. Psychol. the explanation of psychological events emphasizing peripheral human functions, as those of skeletal muscles or the sex organs, rather than cognition or other processes of the central nervous system. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. peripheral peripheral nervous system Related Content Daily Word Quiz: candor Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language