/ Dictionary / Index D detrition: Meaning and Definition of Find definitions for: de•tri•tion Pronunciation: (di-trish'un), [key] — n. the act of wearing away by rubbing. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: detrition (Thesaurus) detrimental detritivore Related Content Daily Word Quiz: diligent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language