Definition of functionality noun from the Oxford Advanced American Dictionary

     

    functionality

     noun
    noun
    NAmE//ˌfʌŋkʃəˈnælət̮i//
     
    (pl. functionalities)
     
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  1. 1[uncountable] the quality in something of being very suitable for the purpose it was designed for synonym practicality
  2. 2[uncountable] the purpose that something is designed for or expected to perform Manufacturing processes may be affected by the functionality of the product.
  3. 3[uncountable, countable] (computing) the range of functions that a computer or other electronic system can perform new software with additional functionality
See the Oxford Advanced Learner's Dictionary entry: functionality