Welsbach burner

Welsbach burner [welz-bak, -bahk; German vels-bahkh] 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.

British Dictionary definitions for welsbach burner Welsbach burner 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 for Welsbach burner C19: named after Carl Auer, Baron von Welsbach (1858–1929), Austrian chemist, who invented it