[as.ta.tine] n [Gk astatos unsteady, fr. a- + statos standing, fr. histanai to cause to stand--more at stand] (1947): a radioactive halogen element discovered by bombarding bismuth with alpha particles and also formed by radioactive decay
ASTATINE
Meaning of ASTATINE in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012