bimetal

[bahy-met-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.

Word History and Origins

Origin of bimetal¹

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

Example Sentences

Wine, liquor, juices and other beverages packaged in plastic, aluminum or bimetal containers have a 5 cent CRV if under 24 ounces and a 10 cent value if 24 ounces and over.

Read more on Los Angeles Times

It had a thermostat made of bimetal, which was two different metals attached to each other.

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Because one of the metals has a significantly higher coefficient of thermal expansion than the other, applying heat to the bimetal strip leads to large deformations in its shape.

Read more on The Verge