One of the mysteries of the English language finally explained.
An alloy of cerium, lanthanum, and other rare earth metals, used as an additive in various alloys, e.g. in flints for cigarette lighters.
- ‘Impure lanthanum is used in alloys such as misch metal, of which lanthanum is a major constituent.’
- ‘The employment of the misch metal, which comprises multi-rare earth elements, instead of pure Ce in the Ce-Al - Co system can improve the glass-forming ability in spite of the tiny atomic size difference of the rare earth metals.’
- ‘Neodymium is present in misch metal to the extent of about 18%.’
- ‘The interface characteristics derived from the lifetime results could be used to give a satisfactory interpretation of the dependence of mechanical properties on the content of misch metal.’
- ‘One of the oldest use of lanthanum metal is in the production of misch metal, an alloy that produces sparks when struck.’
1920s: from German Mischmetall, from mischen ‘to mix’ + Metall ‘metal’.
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