astatine
8 points
English
8 letters
Not in frequency data
Valid in: US and UK dictionaries
Definitions
noun
a highly unstable radioactive element (the heaviest of the halogen series); a decay product of uranium and thorium
Definition: WordNet 3.1, Princeton University.
Word forms
plural astatines
Forms from WordNet 3.1 morphology — every form attested in the dictionary.