noun
- Electromagnetic radiometer consisting of a small paddlewheel that rotates when placed in daylight. .
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). Crookes radiometer. Retrieved September 21, 2026, from http://smartdefine.org/crookes_radiometer/definitions/1203055 |
| Chicago | WordNet. 2010. "Crookes radiometer" http://smartdefine.org/crookes_radiometer/definitions/1203055 (accessed September 21, 2026). |
| Harvard | WordNet 2010, Crookes radiometer, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/crookes_radiometer/definitions/1203055>. |
| MLA | WordNet. "Crookes radiometer" 23 October 2010. Web. 21 September 2026. <http://smartdefine.org/crookes_radiometer/definitions/1203055> |