cold-weld

[ kohld-weld ]
/ ˈkoʊldˈwɛld /

verb (used with object)

to weld (metal objects) by extreme high pressure with no application of heat.
to weld (metal objects) by contact in a high vacuum, as in space.

British Dictionary definitions for cold-weld

cold-weld

verb

(tr) to join (two metal surfaces) without heat by forcing them together so that the oxide films are broken and adhesion occurs

Derived forms of cold-weld

cold welding, noun