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Definition of exponential adjective from the Oxford Advanced American Dictionary

     

    exponential

     adjective
    adjective
    NAmE//ˌɛkspəˈnɛnʃl//
     
     
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  1. 1(mathematics) of or shown by an exponent 2 4 is an exponential expression. an exponential curve/function
  2. 2(formal) (of a rate of increase) becoming faster and faster exponential growth/increase
exponentially
 
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NAmE//ˌɛkspəˈnɛnʃəli//
 
adverb to increase exponentially
See the Oxford Advanced Learner's Dictionary entry: exponential