caesium

caesium has 2 senses in the JumbleFix dictionary. Letters: 7.

Definitions

• n.. 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.
• n.. a soft silver-white ductile metallic element (liquid at normal temperatures); the most electropositive and alkaline metal