noun
- A cathode that emits electrons when illuminated. .
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). photocathode. Retrieved September 20, 2026, from http://smartdefine.org/photocathode/definitions/1206720 |
| Chicago | WordNet. 2010. "photocathode" http://smartdefine.org/photocathode/definitions/1206720 (accessed September 20, 2026). |
| Harvard | WordNet 2010, photocathode, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/photocathode/definitions/1206720>. |
| MLA | WordNet. "photocathode" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/photocathode/definitions/1206720> |