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

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 Garcia the Centenarian And His Times Being a Memoir of Manuel Garcia's Life and Labours for the Advancement of Music and Science by Mackinlay, M. (Malcolm) Sterling

The advantages derived from using the oxide are, that it makes the mixture more fusible, and also imparts that particular brilliancy and lustre so peculiarly characteristic of well-made flint glass.

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