welsbach-burner

Welsbach burner

[welz-bak, -bahk; German vels-bahkh]
noun 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.
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Welsbach burner (ˈwɛlzbæk, German ˈvɛlsbax)
 
n
trademark a type of gaslight in which a mantle containing thorium and cerium compounds becomes incandescent when heated by a gas flame
 
[C19: named after Carl Auer, Baron von Welsbach (1858--1929), Austrian chemist, who invented it]

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