Meaning of lost-wax process

lost'-wax' proc"ess

Pronunciation: (lôst'waks', lost'-), [key]
— Metall. Metall.
  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. Also called
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.