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friction welding

noun
  1. a method of welding thermoplastics or metals by the heat generated by rubbing the members to be joined against each other under pressure.
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Origin of friction welding

First recorded in 1945–50
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for friction welding

friction welding

noun
  1. a form of welding in which the welding heat is generated by pressure and relative movement at the interface in the area of the weld
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012