Definition of gradiometer noun from the Oxford Advanced American Dictionary

     

    gradiometer

     noun
    noun
    NAmE//ˌɡreɪdiˈɑmət̮ər//
     
     
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  1. 1(technology) an instrument for measuring the angle of a slope
  2. 2(physics) an instrument for measuring the changes in an energy field
See the Oxford Advanced Learner's Dictionary entry: gradiometer