optical glass

noun

: flint or crown glass of well-defined characteristics used especially for making lenses

Examples of optical glass in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
More lucrative was the manufacture of optical glass for telescopes and searchlights. — IEEE Spectrum, 31 May 2019 Crafted by master artisans in Japan, these high-style shades are made of optical glass that is clarified through platinum and then polarized. — Air Mail, 5 Apr. 2025 Apart from the optical glass inside, the XC 13-33mm is all plastic, even the bayonet mount that attaches to the camera. — Jim Fisher, PC Magazine, 6 Apr. 2026 Despite the wide field of view, the company says ZOE is built using standard optical glass and fits within existing mass-production processes. — Neetika Walter, Interesting Engineering, 9 Jan. 2026 See All Example Sentences for optical glass

Word History

First Known Use

1797, in the meaning defined above

Time Traveler
The first known use of optical glass was in 1797

Rhymes for optical glass

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Browse Nearby Words

optical gage
optical glass
optical haze
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Cite this Entry

“Optical glass.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/optical%20glass. Accessed 7 Jul. 2026.

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Medical Definition

optical glass

noun
: flint or crown glass of well-defined characteristics used especially for making lenses
Last Updated: - Updated example sentences
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