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bimetal

American  
[bahy-met-l] / baɪˈmɛt l /

noun

  1. a material made by the bonding of two sheets or strips of different metals, each metal having a different coefficient of thermal expansion.


adjective

  1. bimetallic.

Etymology

Origin of bimetal

1920–25; bi- 1 + metal, or as back formation from bimetallic