Caesium

Definition:

  • (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.

Compare caesium with other words:

caesium vs. minute

caesium vs. pollucite

caesium vs. lepidolite

caesious vs. caesium

caesium vs. jiffy

caesium vs. second