beryllium oxide

noun

: a white amorphous compound BeO having high thermal conductivity and high electrical resistance that is usually obtained by treatment of beryl ore and is used chiefly as a high-temperature refractory (as in crucibles) and in phosphors (as for television screens, X-ray equipment, and formerly fluorescent lamps)

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“Beryllium oxide.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/beryllium%20oxide. Accessed 25 Sep. 2022.

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