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

     

    alternation

     noun
    noun
    BrE BrE//ˌɔːltəˈneɪʃn//
     
    ; NAmE NAmE//ˌɔːltərˈneɪʃn//
     
     
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  1. 1[uncountable] the fact of two things following one after the other in a repeated pattern the alternation of day and night
  2. 2[countable, uncountable] the act of changing from one thing to another and back again Such rapid alternations of mood are a feature of her writing.