Definition of cesium

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  • cesium is a valid Scrabble US word with a point value of 10
  • cesium is a valid Scrabble UK word with a point value of 10
  • cesium is a valid Words with friends word with a point value of 13

Definition of cesium

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

    Synonyms

    1. atomic number 55
    2. caesium
    3. cs

See definition of cesium in Merriam Webster