Lexic.us

Definition of Astatine

1. Noun. A highly unstable radioactive element (the heaviest of the halogen series); a decay product of uranium and thorium.

Definition of Astatine

1. Noun. A highly radioactive chemical element (''symbol'' At), one of the halogens, with atomic number 85. ¹

¹ Source: wiktionary.com

Definition of Astatine

1. a radioactive element [n -S]

Medical Definition of Astatine

1. Astatine. A radioactive halogen with the atomic symbol at, atomic number 85, and atomic weight 210. Its isotopes range in mass number from 200 to 219 and all have an extremely short half-life. Astatine may be of use in the treatment of hyperthyroidism. Chemical name: Astatine (12 Dec 1998)

Lexicographical Neighbors of Astatine

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