Wels·bach burner (w lz b k , -bäk) A trademark used for a lamp consisting of a gas burner and a gauze mantle impregnated with cerium and thorium compounds that becomes incandescent when heated by the burner. |
Welsbach burner [ˈwɛlzbæk (German) ˈvɛlsbax]
n
(Chemistry)™ a type of gaslight in which a mantle containing thorium and cerium compounds becomes incandescent when heated by a gas flame
[named after Carl Auer, Baron von Welsbach (1858-1929), Austrian chemist, who invented it]
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