1. Butt welding by creating an electric arc between the two pieces which melts and joins them; used for joining segments of metal pipe
   - flash welding

Type of: butt welding, butt-welding

• rotgut
• Roth
• Rothko
• Rothschild
• roti
• rotifer
• Rotifera
• rotisserie
• rotl
• rotogravure
• rotor
• rotor blade
• rotor coil
• rotor head
• rotor shaft
• rotoscope
• rotovator
• rotted
• rotten
• rotten borough
• rottenly
• rottenness
• rottenstone
• rotter
• Rotterdam