pho·to·ag·ing (f  t-  j ng)n. 1. The process by which skin is changed or damaged as a result of exposure to ultraviolet radiation in sunlight and other sources. 2. The long-term effects of this process on the skin, as wrinkles, discoloration, or susceptibility to cancer. |
photoaging
[fo′to·āj′ing]
premature aging of the skin caused by long-term exposure to sunlight or other ultraviolet radiation.
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