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Hasil cari dari kata atau frase: thorium (0.01805 detik)
Found 2 items, similar to thorium.
English → English (WordNet)
Definition: thorium
thorium
n : a 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 [syn:
Th,
atomic number 90]
English → English (gcide)
Definition: Thorium
Thorium
\Tho"ri*um\, n. [NL. See
Thorite.] (Chem.)
A metallic element found in certain rare minerals, as
thorite, pyrochlore, monazite, etc., and isolated as an
infusible gray metallic powder which burns in the air and
forms thoria; -- formerly called also
thorinum. Symbol Th.
Atomic weight 232.0.
[1913 Webster]
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