Last modified on 29 March 2015, at 02:04

mesothorium

EnglishEdit

EtymologyEdit

meso- +‎ thorium

NounEdit

mesothorium (plural mesothoriums)

  1. (physics) Any product of the radioactive decay of thorium, mainly isotopes of radium and actinium

Usage notesEdit

Mesothorium I is radium-228. Mesothorium II is actinium-228.

TranslationsEdit