gallium
/ˈɡalɪəm
/noun [mass noun]
The chemical element of atomic number 31, a soft silvery-white metal which melts at about 30°C, just above room temperature. (Symbol: Ga) The group III and IV elements (boron, aluminum, gallium, indium, carbon, silicon, germanium, tin), on the other hand, tend to form covalent halides....
- Furthermore, the technology contributes nothing to carbon dioxide emissions and consumes only the resources used to manufacture the solar panels (the metals copper, indium and gallium and the non-metal selenium).
- The soft metal gallium has such a low melting point that it will liquefy on contact with your hand.
Origin
Late 19th century: modern Latin, from Latin Gallia 'France' or gallus 'cock'; named (either patriotically or as a translation of his own name) by Paul-Émile Lecoq de Boisbaudran (1838–1912), the French chemist who discovered it in 1875.