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

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

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

Cocoanut shells were our substitute for flint glass, and I like it very well; especially when cocoanut milk is the refreshment to be served in them.

From The Old Helmet, Volume II by Susan Warner

The coefficients of linear expansion per degree F. of some other materials used in making pendulums are as follows: white deal, .0000024; flint glass, .0000048; iron, .000007; lead, .000016; zinc, .000016; and mercury, .000033.

From Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 5 "Clervaux" to "Cockade" by Various

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