radiumnoun [ U ]
uk/ˈreɪ.di.əm/us/ˈreɪ.di.əm/symbol Raa radioactive chemical element that is used in the treatment of some diseases, especially cancer
Thesaurus: synonyms and related words
Chemical elements
- alkali metal
- antimony
- calcium
- carbonic
- carbonic acid
- cesium
- cl
- graphene
- lithium
- nickel
- plutonium
- quicksilver
- sodium
- strontium
- sulphur
- transition metal
- tungsten
- urea
- vanadium
- zinc
See more results »
Examples from literature
- His medicine, Radithor, had a very dangerous chemical called radium in it.
- She discovered radium, but she often forgot to eat.