From Wiktionary, the free dictionary
hot metal (uncountable)
- (printing) Printing type cast from molten metal; hot metal typesetting.
2000, JG Ballard, Super-Cannes, Fourth Estate, published 2011, page 127:A Fleet Street veteran of the hot-metal days, he had moved to the Mediterranean and spotted an anglophone niche among the marinas and yacht brokers.
2011 July 27, Jon Henley, “Rupert Murdoch and the battle of Wapping: 25 years on”, in The Guardian[1], →ISSN:In the mid-80s, most British newspapers were still produced using hot metal, despite the widespread use elsewhere of modern offset litho technology.
