/ Dictionary / Index M materials science: Meaning and Definition of Find definitions for: mate'rials sci"ence Pronunciation: [key] the study of the characteristics and uses of various materials, as glass, plastics, and metals. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. materials handling materia medica 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