Meaning of radium
Pronunciation: (rā'dē-um), [key]
- a highly radioactive metallic element whose decay yields radon gas and alpha rays. Symbol: Ra; at. wt.: 226; at. no.: 88.
- a lustrous rayon or silk fabric constructed in plain weave and used in women's apparel, lining, and drapery.
- radium (Thesaurus)