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polonium

Syllabification: (po·lo·ni·um)
Pronunciation: /pəˈlōnēəm/

Definition of polonium

noun

  • the chemical element of atomic number 84, a radioactive metal occurring in nature only as a product of radioactive decay of uranium. (Symbol: Po)

Origin:

late 19th century: modern Latin, from medieval Latin Polonia 'Poland' (the native country of Marie Curie, the element's codiscoverer)

polonium in other Oxford dictionaries

Definition of polonium in the British & World English dictionary

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