/ Dictionary / Index M material cause: Meaning and Definition of Find definitions for: mate'rial cause' Pronunciation: [key] See under(def. 8b). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. material material culture Related Content Daily Word Quiz: perspicacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language