/ Dictionary / Index M materiality: Meaning and Definition of Find definitions for: ma•te•ri•al•i•ty Pronunciation: (mu-tēr"ē-al'i-tē), [key] — pl. -ties material nature or quality. something material. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: materiality (Thesaurus) materialist materialize Related Content Daily Word Quiz: panacea Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language