英和和英

語源 1

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

名詞

cold welding (uncountable)

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).

   Synonym: contact welding

   Coordinate term: fusion welding (heat welding by molten temperatures)

参考

語源 2

See the etymology of the corresponding lemma form.

動詞

cold welding

1. present participle and gerund of cold weld