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

optical double star, optical effects, optical fiber, optical fibre, optical flint, optical glass, optical illusion, optical isomer, optical isomerism, optical mark reading, optical maser

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use optical glass in a sentence

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.
When light flashes for a quintillionth of a second, things get weird|Rahul Rao|November 8, 2021|Popular-Science
Instead of decorating every face on the street, Google Glass hit a contrarian rip tide.
You Were Wrong About Miley & Bitcoin: 2014’s Failed Predictions|Nina Strochlic|December 31, 2014|DAILY BEAST
Park employees helped John quit tobacco by way of a butts-proof glass enclosure, a drastic change in diet, and regular exercise.
Zebra Finches, Dolphins, Elephants, and More Animals Under the Influence|Bill Schulz|December 31, 2014|DAILY BEAST
He would shake a chilled Coke, and then spray the soda into a cold glass of milk.
History's Craziest Hangover Cures|Justin Jones|December 30, 2014|DAILY BEAST

You meant to chase every glass of wine with a pitcher of H2O, but the holiday cheer somehow steered you off course.
5 Hangover Cures to Save You After a Few Too Many|DailyBurn|December 19, 2014|DAILY BEAST
The resulting product included four single-cask variants along with finished pictures of McKidd enjoying a glass of The Macallan.
The Restaurant, Flask, And Photography Worthy of The Macallan Whisky||December 16, 2014|DAILY BEAST
I was rather awed by his imposing appearance, and advanced timidly to the doors, which were of glass, and pulled the bell.
Music-Study in Germany|Amy Fay
When she arrived she made a regular entry into the city in a coach all gold and glass, drawn by eight superb plumed horses.
Music-Study in Germany|Amy Fay
The doors (Indian bungalows have hardly any windows, each door being half glass) were open front and back.
The Red Year|Louis Tracy
Where the outside conditions are not very favourable, practically all the British species may be grown with ease under glass.
How to Know the Ferns|S. Leonard Bastin
It is only necessary to have a zinc, or a galvanized tray on which to stand the glass in an inverted position.
How to Know the Ferns|S. Leonard Bastin

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 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012