Breadcrumb Home > Dictionary > Index P psychophysics: Meaning and Definition of Find definitions for: psy•cho•phys•ics Pronunciation: (sī"kō-fiz'iks), [key] — n. (used with a sing. v.) the branch of psychology that deals with the relationships between physical stimuli and resulting sensations and mental states. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: psychophysics (Thesaurus) psychophysical parallelism psychophysiological TrendingHere are the facts and trivia that people are buzzing about. Jewish Holidays, 2010-2030 (A.M. 5770-5791) Western Christian Holidays, 2010-2030 12 Steps to a New Year New Year's Resolution to Slim Down? Martin Luther King Speeches Books of the Bible: Old Testament Books in Order ✖ Related Content Daily Word Quiz: antecedent Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language