barium fluoride

noun

Definition of barium fluoride

  1. :  a white, solid, crystalline compound BaF2 that is used as a material in optics (as in lenses) and as a flux (see 1flux 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

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1868

First Known Use of barium fluoride

1868


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