optical glass
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English
[edit]Etymology
[edit]optical + glass from being the type of glass used for optics
Noun
[edit]optical glass (countable and uncountable, plural optical glasses)
- A class of glass used to create optical lenses, such as that for spectacles or spyglasses
Hyponyms
[edit]- crown glass
- flint glass
- natural glass (optometry) ("glass" (not plastic) lens glass for eyeglasses)
See also
[edit]- organic glass (plastic lens plastics)