American English

Definition of impulsion noun from the Oxford Advanced American Dictionary

     

    impulsion

     noun
    noun
    NAmE//ɪmˈpʌlʃn//
     
    (formal)
     
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  1. 1[countable] a strong desire to do something
  2. 2[uncountable] a reason for doing something Lack of food and water provided much of the impulsion for their speed.
See the Oxford Advanced Learner's Dictionary entry: impulsion