Definition of interpolate verb from the Oxford Advanced American Dictionary

     

    interpolate

     verb
    verb
    NAmE//ɪnˈtərpəˌleɪt//
     
    (formal)Verb Forms present simple I / you / we / they interpolate
     
    he / she / it interpolates
     
    past simple interpolated
     
    -ing form interpolating
     
     
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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
interpolation
 
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NAmE//ɪnˌtərpəˈleɪʃn//
 
noun [uncountable, countable]
See the Oxford Advanced Learner's Dictionary entry: interpolate