noun
- A fine spiral spring that regulates the movement of the balance wheel in a timepiece. .
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). hairspring. Retrieved September 20, 2026, from http://smartdefine.org/hairspring/definitions/1204642 |
| Chicago | WordNet. 2010. "hairspring" http://smartdefine.org/hairspring/definitions/1204642 (accessed September 20, 2026). |
| Harvard | WordNet 2010, hairspring, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/hairspring/definitions/1204642>. |
| MLA | WordNet. "hairspring" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/hairspring/definitions/1204642> |