English Dictionary |
OPTICAL GLASS
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Dictionary entry overview: What does optical glass mean?
• OPTICAL GLASS (noun)
The noun OPTICAL GLASS has 1 sense:
1. clear homogeneous glass of known refractive index; used to make lenses
Familiarity information: OPTICAL GLASS used as a noun is very rare.
Dictionary entry details
Sense 1
Meaning:
Clear homogeneous glass of known refractive index; used to make lenses
Classified under:
Nouns denoting substances
Hypernyms ("optical glass" is a kind of...):
glass (a brittle transparent solid with irregular atomic structure)
Hyponyms (each of the following is a kind of "optical glass"):
crown glass; optical crown; optical crown glass (optical glass of low dispersion and low refractive index)
flint glass; optical flint (optical glass of high dispersion and high refractive index)
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