/ Dictionary / Index E expanded metal: Meaning and Definition of Find definitions for: expand'ed met'al Pronunciation: [key] sheet metal slotted and stretched to make a stiff network with openings of various patterns, used for lathing, wastebaskets, and various decorative and semistructural applications. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. expanded code expanded plastic Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language