misch metal

 
Pronunciation: /mɪʃ/

noun

[mass noun]
  • an alloy of cerium, lanthanum, and other rare earth metals, used as an additive in various alloys, e.g. in flints for cigarette lighters.

Origin:

1920s: from German Mischmetall, from mischen 'to mix' + Metall 'metal'