bimetallic strip

noun

1. a strip consisting of two metals of different coefficients of expansion welded together so that it buckles on heating: used in thermostats, etc

Example Sentences

It is similar to the way a thermostat’s bimetallic strip bends in response to changing temperature6.

From Nature

The tension between these two layers causes the fabric to curl and shrink in response to water vapour — in the same way that a bimetallic strip bends in response to temperature changes.

From Nature

If you pull off the cover of that thermostat there’s a coil with a bimetallic strip.

From Scientific American