We found 8 dictionaries that define the word optical crown:

General (7 matching dictionaries)

1. optical crown: Collins English Dictionary
2. optical crown: Vocabulary.com
3. optical crown: Dictionary.com
4. optical crown: Rhymezone
5. optical crown: FreeDictionary.org
6. optical crown: Mnemonic Dictionary
7. optical crown: TheFreeDictionary.com

Computing (1 matching dictionary)

8. optical crown: Encyclopedia

(Note: See optical_crowns as well.)

Definitions from WordNet (optical crown) ▸ noun:  optical glass of low dispersion and low refractive index Types: biconvex, plano-convex, meniscus, concave-convex, convex-conc, more... Phrases: optical crown glass, more... ▸ Words similar to optical crown ▸ Usage examples for optical crown ▸ Idioms related to optical crown ▸ Wikipedia articles (New!) ▸ Words that often appear near optical crown ▸ Rhymes of optical crown ▸ Invented words related to optical crown