arc welding
arc welding, use of a sustained luminous electrical discharge (arc) as a source of heat for melting the filler metal (welding rod) and the metals being welded. See welding.
This article was most recently revised and updated by Amy Tikkanen.
Citation Information
Article Title:
arc welding
Website Name:
Encyclopaedia Britannica
Publisher:
Encyclopaedia Britannica, Inc.
Date Published:
20 October 2014
Access Date:
November 13, 2026