Definition of optical glass in English:

optical glass

Line breaks: op|tic¦al glass

noun

[mass noun]
  • A very pure kind of glass used for lenses.
    More example sentences
    • Optical fibers are made of extremely pure optical glass.
    • Schott, a Carl Zeiss subsidiary, produces optical glass that is widely regarded as the finest in the world.
    • A powerful internal light will illuminate the perforated 12-metre section near the stop, which will taper off to a tip of optical glass.

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