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.

British Dictionary definitions for welsbach burner

Welsbach burner
/ (ˈwɛlzbæk, German ˈvɛlsbax) /

noun

trademark 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 burner

C19: named after Carl Auer, Baron von Welsbach (1858–1929), Austrian chemist, who invented it