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The pipe, nozzle, or other opening through which air is forced into a blast furnace or forge to facilitate combustion.
[French, from Middle French, alteration (with -ière, denominal suffix used to make names for useful objects) of tuyau, pipe, from Old French tuyau, hollow stem, pipe, from early Old French tudel : *tud, hollow stem, pipe (of Frankish origin; akin to Old English thēota, pipe, channel, from thēotan, to howl, make a rushing sound, from Germanic theutan, probably of imitative origin) + -el, dimininutive suffix (from Latin -illus).]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
tuyère(ˈtwiːɛə; ˈtwaɪə; French tyjɛr) or
(Metallurgy) a water-cooled nozzle through which air is blown into a cupola, blast furnace, or forge
[C18: from French, from tuyau pipe, from Old French tuel, probably of Germanic origin]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
or tu•yer(twiˈyɛər, tu-)
an opening through which the blast of air enters a blast furnace, cupola, forge, or the like, to facilitate combustion.
[1665–75; < French, derivative of tuyau pipe < Frankish *thūta; compare Frisian tute pipe, Gothic thut-haurn trumpet]
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