projection welding
Also found in: Acronyms.
projection welding
[prə′jek·shən ‚weld·iŋ] (metallurgy)
Resistance welding in which the welds are localized at projections, intersections, and overlaps on the parts.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.