Definition of superimposition noun from the Oxford Advanced Learner's Dictionary

     

    superimposition

     noun
    noun
    BrE BrE//ˌsuːpərˌɪmpəˈzɪʃn//
     
    , also BrE//ˌsjuːpərˌɪmpəˈzɪʃn//
     
    ; NAmE NAmE//ˌsuːpərˌɪmpəˈzɪʃn//
     
    [uncountable]superimposition (of something) (on/onto something)(formal)
     
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  1. 1the act of putting one image on top of another so that the two can be seen combined
  2. 2the act of adding some of the qualities of one system or pattern to another one in order to produce something that combines the qualities of both