mesothorium

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See also: mésothorium

English

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Etymology

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meso- +‎ thorium

Noun

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mesothorium (plural mesothoriums)

  1. (physics) Certain members of the decay chain of thorium, mainly isotopes of radium and actinium

Usage notes

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

Translations

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