astatine

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noun as·ta·tine \ˈas-tə-ˌtēn\

Definition of astatine

  1. :  a radioactive halogen element discovered by bombarding bismuth with alpha particles and also formed by radioactive decay — see element table

Origin and Etymology of astatine

Greek astatos unsteady, from a- + statos standing, from histanai to cause to stand — more at stand


Medical Dictionary

astatine

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noun as·ta·tine \ˈas-tə-ˌtēn\

Medical Definition of astatine

  1. :  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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