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



    (also adapter) noun
    BrE BrE//əˈdæptə(r)//
    ; NAmE NAmE//əˈdæptər//
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  1. 1a device for connecting pieces of electrical equipment that were not designed to fit together See related entries: Devices
  2. 2(British English) a device for connecting more than one piece of equipment to the same socket (= a place in the wall where equipment is connected to the electricity supply) See related entries: Devices