thorium dioxide


Also found in: Dictionary, Wikipedia.
Related to thorium dioxide: vinyl chloride

thorium dioxide

[′thȯr·ē·əm dī′äk‚sīd]
(inorganic chemistry)
ThO2 A heavy, white powder soluble in sulfuric acid, insoluble in water, melts at 3300°C; used in medicine, ceramics, flame spraying, and electrodes. Also known as thoria; thorium anhydride; thorium oxide.
References in periodicals archive ?
1) Factors that have been considered in the pathogenesis of this tumor include radiation, lymphedema, ulceration, and chemicals such as vinyl chloride, arsenic, and thorium dioxide.
gov), plan to add thorium dioxide to the uranium dioxide that powers commercial reactors to create a fuel that can sustain the reaction and increase the time between shutdowns.
Fortunately, he remembered reading in one of his dad's chemistry books that lithium is prone to binding with oxygen--meaning, in this context, that it would rob thorium dioxide of its oxygen content and leave a cleaner form of thorium.