Definition of cire perdue
: a process used in metal casting that consists of making a wax model (as of a statuette), coating it with a refractory (as clay) to form a mold, heating until the wax melts and runs out of small holes left in the mold, and then pouring metal into the space left vacant
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Origin and Etymology of cire perdue
French (moulage à) cire perdue, literally, lost wax casting
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