Word Study
bimetallic
CIDE DICTIONARY
bimetallic, a. [Pref. bi- + metallic: cf. F. bimétallique.].
- Of or relating to, or using, a double metallic standard (as gold and silver) for a system of coins or currency. [1913 Webster]
- Composed of two different metals; formed of two parts, each of a different metal; as, bimetallic wire; bimetallic thermometer, etc. [Webster 1913 Suppl.]
OXFORD DICTIONARY
bimetallic, adj.
1 made of two metals.
2 of or relating to bimetallism.
1 made of two metals.
2 of or relating to bimetallism.
Idiom
bimetallic strip a sensitive element in some thermostats made of two bands of different metals that expand at different rates when heated, causing the strip to bend.
Etymology
F bim{eacute}tallique (as BI-, METALLIC)
For further exploring for "bimetallic" in Webster Dictionary Online