(a.) Of or pertaining to actinism; as, actinic rays.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). actinic. Retrieved September 23, 2026, from http://smartdefine.org/actinic/definitions/1970665 |
| Chicago | Webster's. 2011. "actinic" http://smartdefine.org/actinic/definitions/1970665 (accessed September 23, 2026). |
| Harvard | Webster's 2011, actinic, Smart Define, viewed 23 September, 2026, <http://smartdefine.org/actinic/definitions/1970665>. |
| MLA | Webster's. "actinic" 27 May 2011. Web. 23 September 2026. <http://smartdefine.org/actinic/definitions/1970665> |