flint glass

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.

flint glass

noun

1. another name for optical flint flint

Word History and Origins

Origin of flint glass¹

First recorded in 1665–75

Example Sentences

White wines and rosés are often sold in clear bottles made of a refractive material called flint glass to show off their color, and while standard fluorescent lights in grocery stores do not produce the same amount of high frequency light as direct sunlight, the damaging wavelengths are still present.

From New York Times

“The things we bottle in clear bottles are generally wines that have a color we want to show off,” said Ian Barry, a winemaker in the Finger Lakes in New York who started putting a majority of his lighter wines in flint glass bottles because they sold better in grocery stores.

From New York Times

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

From New York Times

Its arrival is a bit of a homecoming: Corning, the glass manufacturer, began as the Brooklyn Flint Glass Company, and GlassBarge’s voyage commemorates the 150th anniversary of the business’s relocation to Corning, N.Y.

From New York Times

Ray joined the American Flint Glass Workers union when he got a job with Owens-Illinois Glass Co. in Durham, N.C., when he was 20 years old.

From Salon