You searched for: “electrospark machining
electron-discharge machining, electron discharge machining, electrical discharge machining, EDM, electric spark machining; electroerosive machining; electrospark machining
1. The process of machining which is performed by electric sparks in a non-conductive liquid intervening substance.
2. A process by which materials that conduct electricity can be removed from a metal by an electric spark.

It is used to form holes with different shapes in materials that have poor machine operations.

This entry is located in the following units: electro-, electr-, electri- (page 56) -tron, -tronic, -tronics + (page 5)