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lost-wax process

[lawst-waks, lost-]
noun Metallurgy.
  1. a process of investment casting in which a refractory mold is built up around a pattern of wax and then baked so as to melt and drain off the wax.
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Origin of lost-wax process

1930–35; translation of French cire perdue
Also called cire perdue.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018