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- noun a welding process widely used for do-it-yourself repairs (as the required equipment is fairly cheap) in which the welding current is generated by a transformer, and the circuit is closed when the electrode held in the welding rod holder touches the metal surface; the electrode burns off as the rod holder is moved along
- The joining of metal parts by fusion. heat is produced by the electricity passing between an electrode and the metal, and is usually accompanied by a filler metal and/or pressure.
- Welding utilizing a sustained discharge of electricity between two conductors as the source of heat. Also known as electric arc welding.