/ Dictionary / Index L lost-wax process: Meaning and Definition of Find definitions for: lost'-wax' proc"ess Pronunciation: (lôst'waks', lost'-), [key] — Metall. Metall. 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. lost tribes lot Related Content Daily Word Quiz: arboreal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language