Dictionary

polonium

noun po·lo·ni·um \pə-ˈlō-nē-əm\

Definition of POLONIUM

:  a radioactive metallic element that is similar chemically to tellurium and bismuth, occurs especially in pitchblende and radium-lead residues, and emits an alpha particle to form an isotope of lead — see element table

Origin of POLONIUM

New Latin, from Medieval Latin Polonia
First Known Use: 1898

polonium

noun po·lo·ni·um \pə-ˈlō-nē-əm\   (Medical Dictionary)

Medical Definition of POLONIUM

:  a radioactive metallic element that is similar chemically to tellurium and bismuth, occurs especially in pitchblende and radium-lead residues, and emits an alpha particle to form an isotope of lead—symbol Po; see element table

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