Dictionary.com
definitions
  • synonyms

pimple copper

See more synonyms on Thesaurus.com
noun Metallurgy.
  1. a form of copper matte about 80 percent pure, somewhat less refined than blister copper.
Show More

Origin of pimple copper

First recorded in 1865–70
Also called pimple metal.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018