About The Word Thorium

Bay Area Crosswords

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Thorium

Thorium Meaning & Definition
Thorium Definition And Meaning

What's The Definition Of 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

Synonyms | Synonyms for Thorium: atomic number 90 | Th

Related Terms | Find terms related to Thorium:

See Also | metal | metallic element | monazite | radiothorium | thorite | thorium-228

Thorium In Webster's Dictionary

\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.

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