1. butt welding by creating an electric arc between the two pieces which melts and joins them; used for joining segments of metal pipe; [syn: flash welding, flash butt welding]
WordNet (r) 3.0 (2006):
flash butt welding
n 1: butt welding by creating an electric arc between the two
pieces which melts and joins them; used for joining
segments of metal pipe [syn: flash welding, flash butt
welding]