[foh-toh-ree-ak-tuh-vey-shuh n] /ˌfoʊ toʊ riˌæk təˈveɪ ʃən/

noun, Biochemistry.
a process that repairs DNA damaged by ultraviolet light using an enzyme that requires visible light.

photoreactivation pho·to·re·ac·ti·va·tion (fō’tō-rē-āk’tə-vā’shən)
The activation by light of something previously inactive or inactivated.


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