/ Dictionary / Index A aftersensation: Meaning and Definition of Find definitions for: af•ter•sen•sa•tion Pronunciation: (af'tur-sen-sā"shun, äf'-), [key] — n. Psychol. an afterimage. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: aftersensation (Thesaurus) after-run aftershaft Related Content Daily Word Quiz: divulge Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language