Meaning & use
actinic
Last updated
Relating to the chemically active rays of light, especially ultraviolet radiation, that can cause photochemical reactions.
See it in a sentence
Prolonged sun exposure can cause actinic damage to the skin.
The dermatologist checked for actinic keratosis, a rough patch caused by years of sun exposure.
A note on using this word
Most commonly encountered in medical contexts, such as "actinic keratosis," a skin condition caused by UV exposure.
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