Dictionary

astatine

noun as·ta·tine \ˈas-tə-ˌtēn\

Definition of ASTATINE

:  a radioactive halogen element discovered by bombarding bismuth with alpha particles and also formed by radioactive decay — see element table
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Origin of ASTATINE

Greek astatos unsteady, from a- + statos standing, from histanai to cause to stand — more at stand
First Known Use: 1947
Medical Dictionary

astatine

noun as·ta·tine \ˈas-tə-ˌtēn\

Medical Definition of ASTATINE

:  a radioactive halogen element discovered by bombarding bismuth with helium nuclei and also formed by radioactive decay—symbol At; called also ekaiodine; see element table

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