welding

n. something welded; act of uniting pieces of metal through heat

v. unite or fuse metal by means of heat; unite, attach, join; be welded, be capable of being welded

Welding is a fabrication process that joins materials, usually metals or thermoplastics, by causing coalescence. This is often done by melting the workpieces and adding a filler material to form a pool of molten material (the weld puddle) that cools to become a strong joint, with pressure sometimes used in conjunction with heat, or by itself, to produce the weld. This is in contrast with soldering and brazing, which involve melting a lower-melting-point material between the workpieces to form a bond between them, without melting the workpieces.
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Noun
1. fastening two pieces of metal together by softening with heat and applying pressure
(hypernym) fastening, attachment
(hyponym) butt welding, butt-welding
(derivation) weld

Noun
1. European mignonette cultivated as a source of yellow dye; naturalized in North America
(synonym) dyer's rocket, dyer's mignonette, Reseda luteola
(hypernym) reseda
(member-holonym) genus Reseda
2. a metal joint formed by softening with heat and fusing or hammering together
(hypernym) joint
(hyponym) spot weld, spot-weld
Verb
1. join together by heating; "weld metal"
(hypernym) join, conjoin
(hyponym) spotweld, spot-weld
(entail) blend, flux, mix, conflate, commingle, immix, fuse, coalesce, meld, combine, merge
(derivation) weldment
2. unite closely or intimately; "Her gratitude welded her to him"
(hypernym) unite, unify, merge

(p. pr. & vb. n.)
of Weld
  

welding /'weldi /
danh từ sự hàn; kỹ thuật hànelectric welding: sự hàn điện
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