THORIUM-228 as NOUN

1. Meaning
   • radioactive isotope of thorium with mass number 228
   Synonym(s)
   • radiothorium (what does radiothorium mean?)
   Hypernyms(s) thorium-228 is a kind of… Example: animal is a hypernym of mammal, plant is a hypernym of flower
   • thorium (what does thorium mean?)
   • Th (what does Th mean?)
   • atomic number 90 (what does atomic number 90 mean?)