Reference meaning
At
Last updated
a highly unstable radioactive element (the heaviest of the halogen series); a decay product of uranium and thorium
Related source terms
Other meanings
2. noun
100 at equal 1 kip in Laos
Source and scope
This definition is reproduced from Princeton WordNet 3.0, sense 14629561-n, under the WordNet 3.0 License. It has not yet received VocabularyBase editorial review. Read the source and license details.