| 单词 | welsbach burner |
| 释义 | Welsbach burner[ welz-bak, -bahk; German vels-bahkh ] / ˈwɛlz bæk, -bɑk; German ˈvɛls bɑx / Trademark.a brand of gaslight consisting essentially of a Bunsen burner on which an incombustible mantle (Welsbach mantle ) composed of thoria and some ceria becomes brilliantly incandescent when exposed to flame. Words nearby Welsbach burnerwell-written, well-wrought, welly, welp, Wels, Welsbach burner, welsh, Welsh Black, Welsh corgi, Welsh dresser, Welsh harp Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for Welsbach burnerWelsbach burner / (ˈwɛlzbæk, German ˈvɛlsbax) / nountrademark a type of gaslight in which a mantle containing thorium and cerium compounds becomes incandescent when heated by a gas flame Word Origin for Welsbach burnerC19: named after Carl Auer, Baron von Welsbach (1858–1929), Austrian chemist, who invented it 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 |
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