First Known Use: 1898
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
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Origin of POLONIUM
New Latin, from Medieval Latin Polonia
Medical Dictionary
polonium
noun po·lo·ni·um \pə-ˈlō-nē-əm\
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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