/ Dictionary / Index I intermediation: Meaning and Definition of Find definitions for: in•ter•me•di•a•tion Pronunciation: (in"tur-mē"dē-ā'shun), [key] — n. the act of intermediating. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: intermediation (Thesaurus) intermediate vector boson interment Related Content Daily Word Quiz: acquiesce Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language