Cesium
['siːzɪəm] or ['sizɪəm]
Definition
(noun.) a soft silver-white ductile metallic element (liquid at normal temperatures); the most electropositive and alkaline metal.
Inputed by Elizabeth--From WordNet
['siːzɪəm] or ['sizɪəm]
(noun.) a soft silver-white ductile metallic element (liquid at normal temperatures); the most electropositive and alkaline metal.
Inputed by Elizabeth--From WordNet