noun
- The degree to which a sunscreen protects the skin from the direct rays of the sun.
- synonyms: SPF
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). sun protection factor. Retrieved September 20, 2026, from http://smartdefine.org/sun_protection_factor/definitions/1211662 |
| Chicago | WordNet. 2010. "sun protection factor" http://smartdefine.org/sun_protection_factor/definitions/1211662 (accessed September 20, 2026). |
| Harvard | WordNet 2010, sun protection factor, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/sun_protection_factor/definitions/1211662>. |
| MLA | WordNet. "sun protection factor" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/sun_protection_factor/definitions/1211662> |