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Meaning of optical glass | Babel Free

Noun CEFR B2

Definitions

A class of glass used to create optical lenses, such as that for spectacles or spyglasses

countable, uncountable

CEFR level

B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.
See all B2 English words →

See also

optical illusion optical isomer optical isomerism optical landing system optical lattice optical lattice clock

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