Definition of photic adjective from the Oxford Advanced American Dictionary

     

    photic

     adjective
    adjective
    NAmE//ˈfoʊt̮ɪk//
     
    (technology)
     
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  1. 1relating to, or caused by, light
  2. 2 relating to the part of the ocean that receives enough light for plants to grow the photic zone
See the Oxford Advanced Learner's Dictionary entry: photic