actinic

Definition

Related to radiation; used most often in reference to light, especially in the ultraviolet range.

Etymology

From Ancient Greek ἀκτίς, ἀκτῖν- (aktís, aktîn-, “ray”) + -ic.

Example Sentences

• "He bounded over cresting waves that shone in the actinic glare."
• "And what actinic, mind-wrenching form could the countermeme take? How could human hands assemble something so devastatingly powerful and hold it steady; what human mind could wield it without exploding from the inside out?"
• "In medicine, actinic keratoses usually occur in sundamaged skin and exhibit hyperkeratosis."