cire perdue
Concise Oxford English Dictionary © 2008 Oxford University Press:
cire perdue /ˌsɪə pəːˈdjuː/
▶noun a method of casting bronze using a clay core and a wax coating placed in a mould; the wax is melted in the mould and bronze poured into the space left, producing a hollow bronze figure when the core is discarded.
– origin Fr., ‘lost wax’.
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