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crown glass

/kraʊn ɡlɑːs/

翻译: 一种低折射率、低色散的光学玻璃,常用于透镜和窗户,历史上通过旋转熔融玻璃制成平盘。

1 个条目

phrase

/kraʊn ɡlɑːs/C1formaltechnical
  • zh一种低折射率、低色散的光学玻璃,常用于透镜和窗户,历史上通过旋转熔融玻璃制成平盘。

A type of optical glass with a low refractive index and low dispersion, commonly used in lenses and windows, historically made by spinning molten glass into a flat disc.

  1. Type of optical glassC1formal

    A type of glass with low refractive index and low dispersion, commonly used in lenses and windows.

    zh冕牌玻璃

    • Crown glass is often combined with flint glass to make achromatic lenses.
    • The windows in the old building were made of crown glass.
    • Opticians use crown glass for its clarity and low distortion.