flint glass

American  

noun

Optics.

1. 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.

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flint glass British  

noun

1. another name for optical flint flint

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Etymology

Origin of flint glass

First recorded in 1665–75

Example Sentences

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

It was clear, white, light, and of agreeable delicacy to the touch, and no other glass as purely colorless was made until the modern discovery of flint glass, made by the use of lead.

From Colonial Homes and Their Furnishings by Northend, Mary H.

The sand which is employed for window glass differs from that which is required for flint glass, in that the latter should be as pure as possible.

From British Manufacturing Industries Pottery, Glass and Silicates, Furniture and Woodwork. by Arnoux, L.