Definition of interpolate verb from the Oxford Advanced Learner's Dictionary

     

    interpolate

     verb
    verb
    BrE BrE//ɪnˈtɜːpəleɪt//
     
    ; NAmE NAmE//ɪnˈtɜːrpəleɪt//
     
    (formal)Verb Forms present simple I / you / we / they interpolate
    BrE BrE//ɪnˈtɜːpəleɪt//
     
    ; NAmE NAmE//ɪnˈtɜːrpəleɪt//
     
    he / she / it interpolates
    BrE BrE//ɪnˈtɜːpəleɪts//
     
    ; NAmE NAmE//ɪnˈtɜːrpəleɪts//
     
    past simple interpolated
    BrE BrE//ɪnˈtɜːpəleɪtɪd//
     
    ; NAmE NAmE//ɪnˈtɜːrpəleɪtɪd//
     
    past participle interpolated
    BrE BrE//ɪnˈtɜːpəleɪtɪd//
     
    ; NAmE NAmE//ɪnˈtɜːrpəleɪtɪd//
     
    -ing form interpolating
    BrE BrE//ɪnˈtɜːpəleɪtɪŋ//
     
    ; NAmE NAmE//ɪnˈtɜːrpəleɪtɪŋ//
     
     
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  1. 1+ speech | interpolate something to make a remark that interrupts a conversation synonym interject ‘But why?’ he interpolated.
  2. 2interpolate something (into something) to add something to a piece of writing synonym insert The lines were interpolated into the manuscript at a later date.
  3. 3interpolate something (mathematics) to add a value into a series by calculating it from surrounding known values
  4. Word Origin early 17th cent.: from Latin interpolat- ‘refurbished, altered’, from the verb interpolare, from inter- ‘between’ + -polare (related to polire ‘to polish’).
See the Oxford Advanced American Dictionary entry: interpolate