Welsbach burner
Welsbach burner
Definition
Wels·bach· burner (welz′bak′; Ger vels′bäkh′)
noun
a gas burner with a gauze mantle impregnated with thorium oxide and cerium oxide: when lighted, the gauze gives off an incandescent, greenish light
Etymology: < Welsbach, a trademark for such a device, after C. A. von Welsbach (1858-1929), Austrian chemist, its inventor
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