blister copper
noun Metallurgy.
a matte of from 96 to 99 percent copper, having a blistered surface after smelting because of gases generated during solidification.
Origin of blister copper
First recorded in 1860–65
Words nearby blister copper
bliss,
bliss out,
blissful,
blister,
blister beetle,
blister copper,
blister gas,
blister pack,
blister rust,
blister steel,
blistering
British Dictionary definitions for blister copper
blister copper
noun
an impure form of copper having a blister-like surface due to the release of gas during cooling