meaning of caesium
1. A rare alkaline metal found in mineral water; -- so called from the two characteristic blue lines in its spectrum. It was the first element discovered by spectrum analysis, and is the most strongly basic and electro-positive substance known. Symbol Cs. Atomic weight 132. 6.
2. a soft silver-white ductile metallic element liquid at normal temperatures; the most electropositive and alkaline metal
Related Words
caesium | caesium clock |
