flint glass

American

noun

Optics.

an optical glass of high dispersion and a relatively high index of refraction, composed of alkalis, lead oxide, and silica, with or without other bases, sometimes used as the diverging lens component of an achromatic lens.

flint glass British

noun

another name for optical flint flint

"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

Etymology

Origin of flint glass

First recorded in 1665–75

Example Sentences

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See Examples For:

flint glass

Rosé, chardonnay, sauvignon blanc and pinot gris are all typically bottled in flint glass.

From New York Times ● Jul. 7, 2022

At what incident angle must 470 nm light enter flint glass to have the same angle of refraction?

From Textbooks ● Aug. 12, 2015

An optical fiber uses flint glass clad with crown glass.

From Textbooks ● Aug. 12, 2015

The manufactory was also renowned for its colored flint glass, and for glass with enameled decoration.

From Handbook of the Minneapolis Institute of Arts by Breck, Joseph

It should also be mentioned that flint glass has a much more brilliant appearance than soda glass.

From On Laboratory Arts by Threlfall, Richard

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023