photoreactivation

[ 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.

Origin of photoreactivation

1945–50; photo- + reactivation

Medical definitions for photoreactivation

photoreactivation
[ fō′tō-rē-ăk′tə-vāshən ]

n.

The activation by light of something previously inactive or inactivated.