Synonyms:
thorium, Th, atomic_number_90
Meaning: 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
Usage examples
0. Word pronunciation is derived from article recording Yttrium, License CC BY-SA 4.0
1. Word pronunciation is derived from article recording Fossil fuel, License CC BY-SA 4.0