/ Dictionary / Index M metal paste-up: Meaning and Definition of Find definitions for: met'al paste'-up Pronunciation: [key] a method for making up a form for printing in which engravings mounted on blocks are positioned on and pasted to a metal base. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. metal oxide semiconductor metalsmith Related Content Daily Word Quiz: fervor Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language