explanation - definition and synonyms

noun [countable/uncountable] 

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  1. 1
    a reason you give for something that has happened or something you have done

    I expected an explanation and an apology.

    explanation for:

    The explanation for this is simple.

    explanation of:

    He gave a detailed explanation of the events leading up to the accident.

    give/offer/provide an explanation:

    You must give me some sort of explanation!

  2. 2
    a description of how something works or of how to do something
    explanation of/about:

    This book provides a clear explanation of how to use the Internet.