English dictionary



Hint: With the Firefox addon you can search this dictionary from the browsers search field.

English noun: radiothorium

1. radiothorium (substance) radioactive isotope of thorium with mass number 228


Synonymsthorium-228


Broader (hypernym)atomic number 90, Th, thorium









Based on WordNet 3.0 copyright © Princeton University.
Web design: Orcapia v/Per Bang. English edition: .
2026 onlineordbog.dk