Bible Dictionaries
Polonium

Webster's Dictionary

(n.) 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.

Bibliography Information
Webster, Noah. Entry for 'Polonium'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​p/polonium.html. 1828.