blister copper

noun

, Metallurgy.

1. a matte of from 96 to 99 percent copper, having a blistered surface after smelting because of gases generated during solidification.

blister copper

noun

1. an impure form of copper having a blister-like surface due to the release of gas during cooling

Word History and Origins

Origin of blister copper¹

First recorded in 1860–65

Example Sentences

Thereafter they would be in a position to deliver “blister” copper instead of matte to the market.

From Project Gutenberg

The Katanga district in the Congo produces blister copper that contains as much as 4 per cent of cobalt, though usually less than 2 per cent.

From Project Gutenberg

In the copper industry he has learned and has taught how to make operations so constant and so continuous that in the manufacture of blister copper valuations are less than $1.00 apart on every $10,000 worth of product and in refined copper the valuations of the product do not differ by more than $1.00 in every $50,000 worth of product.

From Project Gutenberg