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optical glass
noun
- 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.
optical glass
noun
- any of several types of clear homogeneous glass of known refractive index used in the construction of lenses, etc See optical flint optical crown
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Word History and Origins
Origin of optical glass1
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Example Sentences
So, Herink and his colleagues built a ring—made of optical glass fibers like the ones that weave together the Internet—and began shooting light from a laser through the ring.
In 1914 the imports of optical glass were $641,000 in value.
The preparation of the best optical glass is now made a great mystery by one or two proficients.
The windows are made of optical glass similar to that used in the largest telescopes.
This procedure is being repeated in the launching of an optical-glass industry; this trade has also been in Teutonic hands.
In April, 1917, the most serious problem in the situation was the manufacture of optical glass.
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