radium 1
noundomain: substance
Princeton WordNet [ver.3.1]
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EnglishDefinition
an intensely radioactive metallic element that occurs in minute amounts in uranium ores
Synonyms
- Ra 1
an intensely radioactive metallic element that occurs in minute amounts in uranium ores
- atomic number 88 1
an intensely radioactive metallic element that occurs in minute amounts in uranium ores
