mesothorium
See also: mésothorium
English
Etymology
meso- + thorium
Noun
mesothorium (plural mesothoriums)
- (physics) Any product of the radioactive decay of thorium, mainly isotopes of radium and actinium
Usage notes
Mesothorium I is radium-228. Mesothorium II is actinium-228.
Translations
product of radioactive decay of thorium
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