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thorium > pronunciation
Soundsthaa'riyahm
Rhymesabolitionism, absenteeism, absolutism, and 548 more rhymes in ahm...
thorium > noun, substance
MeaningA soft silvery-white tetravalent radioactive metallic element. Isotope 232 is used as a power source in nuclear reactors. Occurs in thorite and in monazite sands.
SynonymsTh, atomic number 90
Substance ofmonazite; thorite
Broadermetallic element, metal
Narrowerthorium-228, radiothorium
Verbsthoriate

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