/ Dictionary / Index H hedonics: Meaning and Definition of Find definitions for: he•don•ics Pronunciation: (hē-don'iks), [key] — n. (used with a sing. v.) the branch of psychology that deals with pleasurable and unpleasurable states of consciousness. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. hedonic calculus hedonism Related Content Daily Word Quiz: inutiae Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language