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A portable burner for mixing gas and oxygen to produce a very hot flame, used for soldering, welding, and glass blowing.
(Tools) a small burner that produces a very hot flame, used to remove old paint, melt soft metal, etc
1. a small portable apparatus that gives an extremely hot gasoline flame intensified by a blast.v.t.
2. to weld, burn, or ignite with or as if with a blowtorch.