magnesium fluoride

noun

Definition of magnesium fluoride

: a crystalline salt MgF2 occurring naturally as sellaite but also made synthetically and used chiefly as a flux and as a coating for optical glass to cut down reflection

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Cite this Entry

“Magnesium fluoride.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/magnesium%20fluoride. Accessed 28 May. 2020.

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