mesothorium

See also: mésothorium

English

Etymology

meso- +‎ thorium

Noun

mesothorium (plural mesothoriums)

  1. (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
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