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cold welding

noun
1.
the welding of metal objects by extreme high pressure or by contact in a high vacuum with no application of heat.
Also called contact welding.

cold-weld

[kohld-weld] /ˈkoʊldˈwɛld/
verb (used with object)
1.
to weld (metal objects) by extreme high pressure with no application of heat.
2.
to weld (metal objects) by contact in a high vacuum, as in space.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for cold welding

cold-weld

verb
1.
(transitive) to join (two metal surfaces) without heat by forcing them together so that the oxide films are broken and adhesion occurs
Derived Forms
cold welding, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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