optical crown glass

1. 1.

   optical glass of low dispersion and low refractive index

   Synonymsoptical crowncrown glass

   Broaderoptical glass

Questions about optical crown glass

What does optical crown glass mean?

optical crown glass means "optical glass of low dispersion and low refractive index".

What is another word for optical crown glass?

Close synonyms include optical crown, crown glass. Each sense on this page lists its own synonyms, because a word with several meanings rarely has one substitute that works for all of them.

Is optical crown glass a common word?

optical crown glass is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.