(a.) Of or pertaining to chemical action of light or produced by it; as, the photochemical changes of the visual purple of the retina.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). photochemical. Retrieved September 20, 2026, from http://smartdefine.org/photochemical/definitions/2044935 |
| Chicago | Webster's. 2011. "photochemical" http://smartdefine.org/photochemical/definitions/2044935 (accessed September 20, 2026). |
| Harvard | Webster's 2011, photochemical, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/photochemical/definitions/2044935>. |
| MLA | Webster's. "photochemical" 27 May 2011. Web. 20 September 2026. <http://smartdefine.org/photochemical/definitions/2044935> |