Caesium — synonyms, definition
1. caesium (Noun) Brit, Cdn
3 synonyms
Cs atomic number 55 cesium
1 definition
caesium (Noun) — A soft silver-white ductile metallic element (liquid at normal temperatures); the most electropositive and alkaline metal.
2 types of
metal metallic element
2 types
caesium 137 cesium 137
1 part of
pollucite