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1. Oxford American Dictionary

   light reaction

   • IPA[līt rēˈakSHən]

   • n.
     the reaction of something, especially the iris of the eye, to different intensities of light.；the reaction which occurs as the first phase of photosynthesis, in which energy in the form of light is absorbed and converted to chemical energy in the form of ATP.

   • noun: light reaction

2. • 更多解釋

   light reaction

   • n.
     the reaction of something, especially the iris of the eye, to different intensities of light.

   Oxford Dictionary