barium fluoride

noun

: a white, solid, crystalline compound BaF2 that is used as a material in optics (as in lenses) and as a flux (see flux entry 1 sense 6) in some enamels
Barium fluoride would resist the cesium, but it was suitable only for the windows, not for the entire vacuum cell containing the cesium.Nick Taylor, Laser, 2000

Word History

First Known Use

1868, in the meaning defined above

Time Traveler
The first known use of barium fluoride was in 1868

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Cite this Entry

“Barium fluoride.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/barium%20fluoride. Accessed 25 Jun. 2024.

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