optical glass

noun
Updated on: 12 May 2018

Definition of optical glass

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

Recent Examples of optical glass from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'optical glass.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of optical glass

1797

in the meaning defined above

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Medical Dictionary

optical glass

noun

medical Definition of optical glass

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

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