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Words related to cesium

ce·si·um
C c

  • cesium 137

    the radioactive cesium isotope with mass number 137 and a half-life of 33 years: used for gamma irradiation of certain foods and for radiation therapy.

  • radiocesium

    cesium 137.

  • alkali metal

    any of the monovalent metals lithium, sodium, potassium, rubidium, caesium, and francium, belonging to group 1A of the periodic table. They are all very reactive and electropositive

  • atomic clock

    an extremely accurate clock in which an electrical oscillator is controlled by the natural vibrations of an atomic or molecular system such as caesium or ammonia

  • photocathode

    a cathode, typically of a cesium or sodium compound, having the property of emitting electrons when activated by light or other radiation.

  • second

    next after the first; being the ordinal number for two.
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