pot metal


noun

an alloy of copper and lead, formerly used for making plumbing fixtures, bearings, etc.
cast iron of a quality suitable for making pots.
a low-grade nonferrous alloy used for die casting.
Glassmaking.
  1. glass colored by being mixed with stained glass during fusion.
  2. glass melted in a pot.

Origin of pot metal

First recorded in 1685–95
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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