1610s, "act of interpolating;" 1670s, "that which is interpolated," from French interpolation (17c.) or directly from Latin interpolationem (nominative interpolatio), noun of action from past participle stem of interpolare "to alter; falsify" (see interpolate).
with the help of his friend's interpolations his story was eventually told
interphase
interplanetary
interplay
Interpol
interpolate
interpolation
interpolator
interpose
interposition
interpret
interpretable
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