/ Dictionary / Index B blister copper: Meaning and Definition of Find definitions for: blis'ter cop"per Pronunciation: [key] — Metall. Metall. a matte of from 96 to 99 percent copper, having a blistered surface after smelting because of gases generated during solidification. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. blister beetle blister gas Related Content Daily Word Quiz: cautious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language