noun
- Inability to see clearly in dim light; due to a deficiency of vitamin A or to a retinal disorder.
- synonyms: night blindness, moon blindness
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). nyctalopia. Retrieved September 21, 2026, from http://smartdefine.org/nyctalopia/definitions/1325684 |
| Chicago | WordNet. 2010. "nyctalopia" http://smartdefine.org/nyctalopia/definitions/1325684 (accessed September 21, 2026). |
| Harvard | WordNet 2010, nyctalopia, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/nyctalopia/definitions/1325684>. |
| MLA | WordNet. "nyctalopia" 23 October 2010. Web. 21 September 2026. <http://smartdefine.org/nyctalopia/definitions/1325684> |