Definitions for "cesium"
the chemical element of atomic number 55. It is a univalent element, the most electropositive metal. Symbol Cs; atomic weight 132.905. IT has a melting point of 28.4° C.
a soft silver-white ductile metallic element (liquid at normal temperatures); the most electropositive and alkaline metal
Naturally occurring element with 55 protons in its nucleus. Some manmade isotopes of cesium are radioactive (e.g., cesium 134, cesium-137).
Keywords:  infantile, spermicide
Infantile Spermicide