cerium oxide

noun

Definition of cerium oxide

: an oxide of cerium especially : the dioxide CeO2 obtained as a colorless to yellow heavy powder usually by igniting a cerium compound (as the oxalate) and used as a polishing agent and especially in the hydrated form as a decolorizer for glass

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“Cerium oxide.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cerium%20oxide. Accessed 8 Aug. 2020.

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