English Dictionary

OPTICAL GLASS

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IPA (US): 

 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 lensesplay

  Familiarity information: OPTICAL GLASS used as a noun is very rare.


 Dictionary entry details 


OPTICAL GLASS (noun)


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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