Definition of omission noun from the Oxford Advanced American Dictionary

     

    omission

     noun
    noun
    NAmE//oʊˈmɪʃn//
     
    , NAmE//əˈmɪʃn//
     
     
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  1. 1 [uncountable] omission (from something) the act of not including someone or something or not doing something; the fact of not being included/done Everyone was surprised at her omission from the team. The play was shortened by the omission of two scenes. (formal) sins of omission (= not doing things that should be done)
  2. 2[countable] a thing that has not been included or done There were a number of errors and omissions in the article.
See the Oxford Advanced Learner's Dictionary entry: omission