Medical Dictionary

cesium

noun ce·si·um

Medical Definition of CESIUM

:  a silver-white soft ductile element of the alkali metal group that is the most electropositive element known and that is used especially in photoelectric cells—symbol Cs; see element table

Variants of CESIUM

ce·si·um or chiefly British cae·si·um \ˈsē-zē-əm\

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