pot metal

noun

1. an alloy of copper and lead, formerly used for making plumbing fixtures, bearings, etc.
2. cast iron of a quality suitable for making pots.
3. a low-grade nonferrous alloy used for die casting.
4. Glassmaking. antique glass ( def ).

Word History and Origins

Origin of pot metal¹

First recorded in 1685–95

Example Sentences

The joyous sparkling tone of Tours lights proves a skillful use of pot-metal yellow.

From Project Gutenberg

Pot-metal glass—that colored in the mass—had hitherto been used exclusively.

From Project Gutenberg

We'll go 'long 'tween Wildcat an' the Ford, an' pick up a wagon-load uv ez good shooters ez thet clumsy chunk o' pot-metal wuz.

From Project Gutenberg

As the Roman coated his dull blue with opaque white glass, so he coated translucent white with rich pot-metal colour.

From Project Gutenberg

Observe that this yellow stain is neither an enamel nor a pot-metal colour, but literally a stain, the only stain used upon glass.

From Project Gutenberg