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Browse the Medical Dictionary:: A; B; C; D; E; F; G; H; I; J; K; L; M; N; O; P; Q; R; S; T; U; V; W; X; Y; Z; #

cesium

Main Entry:: ce·si·um
Variant(s):: or chiefly British cae·si·um \ˈsē-zē-əm\
Function:: noun

: 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

Learn more about "cesium" and related topics at Britannica.com

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