uranium trioxide

noun

Definition of uranium trioxide

: a brilliant orange compound UO3 that is formed in the course of refining uranium and that has been used as a coloring agent for ceramic wares

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“Uranium trioxide.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/uranium%20trioxide. Accessed 21 Sep. 2020.

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