optical glass









optical glass


noun Optics.

  1. any of several types of high-quality, homogeneous, color-free glass, as flint or crown glass, having specified refractive properties, used in lenses and other components of optical systems.

noun

  1. any of several types of clear homogeneous glass of known refractive index used in the construction of lenses, etcSee optical flint, optical crown

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