Showing posts with label exposure. Show all posts
Showing posts with label exposure. Show all posts

Tuesday, June 30, 2009

Definition of Actinic


Actinic: Referring to the ultraviolet (UV) rays from sunlight and UV lamps. Sunburn is an actinic burn. An actinic keratosis is a skin lesion that is the consequence of chronic sun exposure. From the Greek "aktis" meaning "ray."