thorium dioxide(redirected from Thorium oxide)
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Related to Thorium oxide: Uranium oxide
A heavy white powder, ThO2, obtained from monazite and used mainly in ceramics, glass, and gas mantles, as a catalyst, and as a radiopaque diagnostic aid. Also called thoria, thorium oxide.
(Elements & Compounds) a heavy insoluble white powder used in incandescent mantles. Formula: ThO2. Also called: thoria