blowtorch

[bloh-tawrch]
noun
1.
a small portable apparatus that gives an extremely hot gasoline flame intensified by a blast, used especially in metalworking.
verb (used with object)
2.
to weld, burn, or ignite with or as with a blowtorch.

Origin:
1905–10; blow2 + torch

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Based on the Random House Dictionary, © Random House, Inc. 2014.
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Collins
World English Dictionary
blowtorch (ˈbləʊˌtɔːtʃ)
 
n
a small burner that produces a very hot flame, used to remove old paint, melt soft metal, etc

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Encyclopedia Britannica
Encyclopedia

blowtorch

a small tubular instrument for directing a jet of air or other gas into a flame in order to concentrate and increase the flame's heat. A blowpipe is usually operated directly by mouth, but a small bellows may also be used.

Learn more about blowtorch with a free trial on Britannica.com.

Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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Example sentences
Axle grease also freezes and is warmed with a blowtorch.
Vic quickly disposes of the body with a hacksaw and a blowtorch.
Setting the pipe down on the pavement, at the base of the white wall, from his
  other pocket he removes a blowtorch.
At times, the picture seems to have been edited with a blowtorch.
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