English dictionary
thorium meaning and definition
Definition and meaning of thorium at MeaningMonkey.org. thorium meaning and definition in the English Dictionary.THORIUM noun
Definition of thorium (noun)
- a soft silvery-white tetravalent radioactive metallic element; isotope 232 is used as a power source in nuclear reactors; occurs in thorite and in monazite sands
- synonyms: atomic number 90, Th
Source: Princeton University Wordnet