pig iron

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noun

iron tapped from a blast furnace and cast into pigs in preparation for conversion into steel, cast iron, or wrought iron.
iron in the chemical state in which it exists when tapped from the blast furnace, without alloying or refinement.

Origin of pig iron

First recorded in 1655–65
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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Historical Examples of pig iron


British Dictionary definitions for pig iron

pig iron

noun

crude iron produced in a blast furnace and poured into moulds in preparation for making wrought iron, steels, alloys, etc
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for pig iron
n.

1660s; see pig (n.) + iron (n.).

Online Etymology Dictionary, © 2010 Douglas Harper