American English

Definition of exponent noun from the Oxford Advanced American Dictionary

     

    exponent

     noun
    noun
    NAmE//ɪkˈspoʊnənt//
     
    , NAmE//ˈɛkspoʊnənt//
     
     
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  1. 1 a person who supports an idea, a theory, etc. and persuades others that it is good synonym proponent She was a leading exponent of free trade during her political career. Huxley was an exponent of Darwin's theory of evolution.
  2. 2a person who is able to perform a particular activity with skill the most famous exponent of the art of mime
  3. 3(mathematics) a raised figure or symbol that shows how many times a quantity must be multiplied by itself, for example the figure 4 in a4
See the Oxford Advanced Learner's Dictionary entry: exponent