| NOUN | substance | radium, Ra, atomic number 88 | an intensely radioactive metallic element that occurs in minute amounts in uranium ores |
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| Sounds | rey'diyahm | |
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| Rhymes | abolitionism ... zirconium: 552 rhymes with ahm... | |
| Meaning | An intensely radioactive metallic element that occurs in minute amounts in uranium ores. | |
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| Synonyms | Ra, atomic number 88 | |
| Broader | metallic element, metal | Any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc. |
| Substance of | uranium ore | Any ore from which uranium can be extracted |
| Spanish | radio | |