Cs

Definitions of Cs
  1. noun
    a soft silver-white ductile metallic element (liquid at normal temperatures); the most electropositive and alkaline metal
    synonyms: atomic number 55, caesium, cesium
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    types:
    cesium 137
    a radioactive isotope of cesium used in radiation therapy
    type of:
    metal, metallic element
    any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc.
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