ˈpig-ˌmetal
[f. pig n.1 7 + metal: cf. sow-metal.]
Metal, usually iron, in the form of pigs.
| 1731 Gentl. Mag. I. 167 [He] proposes with Pit-coal Fire to make Bar Iron from Pig-metal. 1761 Chron. in Ann. Reg. 73/1 His new invented method of making malleable iron from pig or sow metal. 1831 J. Holland Manuf. Metal I. 27 Sow metal, or pig metal, epithets..referring to the blocks as they may have been run in the main or the collateral gutters, the former being called sows, and the latter pigs, respectively. |