thorium series
noun Chemistry.
the radioactive series that starts with thorium and ends with a stable isotope of lead of mass number 208.
Nearby words
thoria, thorianite, thorite, thorium, thorium dioxide, thorium series, thorn, thorn apple, thorn in one's flesh, thorn moth, thornback
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British Dictionary definitions for thorium series
thorium series
noun
a radioactive series that starts with thorium-232 and ends with lead-208
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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