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ground glass
noun
- Optics. glass that has had its polished surface removed by fine grinding and that is used to diffuse light.
- glass that has been ground into fine particles, especially for use as an abrasive.
ground glass
noun
- glass that has a rough surface produced by grinding, used for diffusing light
- glass in the form of fine particles produced by grinding, used as an abrasive
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Word History and Origins
Origin of ground glass1
First recorded in 1840–50
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Example Sentences
Ground glass is put in food to cause internal bleeding, and nicotine concentrated by boiling can cause a heart attack.
From The Daily Beast
What appears to be ground glass is only the little crystals or small particles of alkali that have not been dissolved.
From Project Gutenberg
The camera obscura consisted of a box with a lens at one end and a ground glass at the other, just like a modern camera.
From Project Gutenberg
He was "candling" a phial of ground glass in his fingers as a good wife tries eggs.
From Project Gutenberg
Bottles furnished with ground-glass caps, as well as stoppers, are frequently employed.
From Project Gutenberg
The barrels, and every bit of metal upon them, instantly became white, like ground glass!
From Project Gutenberg
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