/ Dictionary / Index P pimple copper: Meaning and Definition of Find definitions for: pim'ple cop"per Pronunciation: [key] — Metall. Metall. a form of copper matte about 80 percent pure, somewhat less refined than blister copper. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. pimple pimply 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