SINCE 1828
arc weld
nounDefinition of arc weld
(Entry 1 of 2)
: a weld made by arc welding
arc-weld
transitive verbDefinition of arc-weld (Entry 2 of 2)
: to join by means of a form of fusion welding in which the heat for fusion is supplied by an electric arc formed between a metal or carbon electrode and the part being welded or between two separate electrodes or between the two separate pieces being welded
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