thorium-228
tho·rium
noun
1.
radioactive isotope of thorium with mass number 228
Related words
Broader terms
WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.
tho·rium
radioactive isotope of thorium with mass number 228
WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.