Dictionary

optical glass

noun

Definition of OPTICAL GLASS

:  flint or crown glass of well-defined characteristics used especially for making lenses
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First Known Use of OPTICAL GLASS

1840
Medical Dictionary

optical glass

noun

Medical Definition of OPTICAL GLASS

:  flint or crown glass of well-defined characteristics used especially for making lenses

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July 29, 2015
indomitable Hear it
incapable of being subdued or conquered
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