Definitions for: Polonium

[n] a radioactive metallic element that is similar to tellurium and bismuth; occurs in uranium ores but can be produced by bombarding bismuth with neutrons in a nuclear reactor

Webster (1913) Definition: Po*lo"ni*um, n. [NL. So named after Poland, in L.
form Polonia, one of the discoverers being a Pole.] (Chem.)
A supposed new element, a radioactive substance discovered by
M. and MMe. Curie in pitchblende. It is closely related
chemically to bismuth. It emits only alpha rays and is
perhaps identical with radium F.

Synonyms: atomic number 84, Po

See Also: metal, metallic element

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