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acknowledgment

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noun American English pronunciation: acknowledgment /əkˈnɑlɪdʒmənt/ 
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singularacknowledgment
pluralacknowledgments
singularacknowledgement
pluralacknowledgements

or acknowledgement American English pronunciation: acknowledgement

  1. 1
    [singular/uncountable] something that you say or do in order to show that you accept that something exists or is true
    acknowledgment that:

    There is universal acknowledgment that the program has failed.

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