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Welsbach burner

[welz-bak, -bahk; German vels-bahkh] /ˈwɛlz bæk, -bɑk; German ˈvɛls bɑx/
noun, Trademark.
1.
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.
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British Dictionary definitions for welsbach mantle

Welsbach burner

/ˈwɛlzbæk; German ˈvɛlsbax/
noun
1.
trademark a type of gaslight in which a mantle containing thorium and cerium compounds becomes incandescent when heated by a gas flame
Word Origin
C19: 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
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