bimetallic strip
Noun
Meaning
a strip consisting of two metals that bends with a rise in temperature
Source: WordNetSynonyms
Hypernyms
Examples
Safety NiMH cell that popped its cap due to failed safety valve A resettable fuse in series with the cell, particularly of the bimetallic strip type, increases safety.
The memorial shows a meridian line (line of constant longitude) in two metals to highlight Harrison's most widespread invention, the bimetallic strip thermometer.