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optical glass
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noun Optics.
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.
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Origin of optical glass
First recorded in 1740–50
Words nearby optical glass
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use optical glass in a sentence
British Dictionary definitions for optical glass
optical glass
noun
any of several types of clear homogeneous glass of known refractive index used in the construction of lenses, etcSee optical flint, optical crown
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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