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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. 2relating 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