adjective. formed of two different metals or alloys; especially in sheets bonded together.
adjective. pertaining to a monetary system based on two metals.
1. Adjective The same bimetallic strips that cause a single light bulb to flash on and off can also be used to control a series of lights. 2. Noun, singular or mass Thermal breakers use an internal bimetallic strip that bends according to the amount of current passing through it.