American English

Definition of optical adjective from the Oxford Advanced American Dictionary

     

    optical

     adjective
    adjective
    NAmE//ˈɑptɪkl//
     
    [usually before noun]
     
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  1. 1connected with the sense of sight or the relationship between light and sight optical effects
  2. 2 used to help you see something more clearly optical aids optical instruments such as microscopes and telescopes
  3. 3(computing) using light for reading or storing information optical storage an optical disk
NAmE//ˈɑptɪkli//
 
adverb
See the Oxford Advanced Learner's Dictionary entry: optical