/ Dictionary / Index E electro-discharge machining: Meaning and Definition of Find definitions for: elec'tro-dis'charge machin"ing Pronunciation: (i-lek'trō-dis'chärj), [key] — Metall. Metall. a technique for shaping the surfaces of a metal object by immersing in a dielectric liquid the object and a tool that emits an electric discharge of high current density and short duration. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. electrodialysis electrodissolution Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language