astatine
Pronunciation
  • (British) enPR: asʹtətēn, IPA: /ˈastətiːn/
  • (America) enPR: ăs'tətēn, IPA: /ˈæstəˌtin/
Noun

astatine

  1. A highly radioactive chemical element (symbol At), one of the halogens, with atomic number 85.
    • 2003, Bill Bryson, A Short History of Nearly Everything, BCA, p. 221:
      Astatine, for instance, is practically unstudied. It has a name and a place on the periodic table (next to Marie Curie's polonium), but almost nothing else.
    Synonyms: alabamine, anglo-helvetium
Translations


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