noun
- Optical glass of low dispersion and low refractive index.
- synonyms: crown glass, optical crown glass
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). optical crown. Retrieved September 25, 2026, from http://smartdefine.org/optical_crown/definitions/1248688 |
| Chicago | WordNet. 2010. "optical crown" http://smartdefine.org/optical_crown/definitions/1248688 (accessed September 25, 2026). |
| Harvard | WordNet 2010, optical crown, Smart Define, viewed 25 September, 2026, <http://smartdefine.org/optical_crown/definitions/1248688>. |
| MLA | WordNet. "optical crown" 23 October 2010. Web. 25 September 2026. <http://smartdefine.org/optical_crown/definitions/1248688> |