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

What Hall and Dollond did was to make the outer or crown lens of the objective as before, and place behind it a plano-concave lens of dense flint glass.

From Project Gutenberg

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 Project Gutenberg

To make glass perfectly colourless, and at the same time more dense, commonly called flint glass, manufacturers use a certain proportion of calx of lead and manganese.

From Project Gutenberg

In 1844 Warden of Edinburgh reported two cases in which he said he had been able to make "satisfactory ocular inspection of diseases affecting the glottis," by using two prisms of flint glass.

From Project Gutenberg