Etymology: < French stéréotype adjective, < Greek στερεός solid + τύπος type n. In French the word has only the original adjectival use, and the substantive use = édition stéréotype.
1. The method or process of printing in which a solid plate of type-metal, cast from a papier-mâché or plaster mould taken from the surface of a forme of type, is used for printing from instead of the forme itself.
“stereotype, n. and adj.” OED Online, Oxford University Press, July 2018, www.oed.com/view/Entry/189956. Accessed 8 September 2018.