welding noun.
['wɛldɪŋ] E17.[from WELD verb + -ING1.]1. The action or process of welding (
lit. &
fig.).
E17.arc welding,
friction welding,
percussion welding,
spot welding,
submerged-arc welding, etc.
2. The property of uniting under the combined operation of heat and pressure.
E19.
Comb.:
welding heat the degree of heat to which iron or steel is brought for pressure welding;
welding rod a thin metal rod, usu. coated with flux, which is progressively melted to supply the additional metal needed in a welded joint;
welding steel a steel alloy suitable for welding, esp. electric arc welding;
welding torch a blowpipe used in oxyacetylene welding.
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