cold welding

noun

cold welding

noun

Etymology From cold + welding. From being a form of welding not requiring adding heat.

1

A phenomenon where in a vacuum, two clean oxide-less uncoated metal surfaces will fuse, weld, or merge together when they come into contact with each other, without any other action required (without fusion heating).

Related terms
cold shut

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.