Learn how to say Extrapolate correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word extrapolate:
transitive verb, intransitive verb
Word forms: exˈtrapoˌlated, exˈtrapoˌlating
(statistics) to estimate or infer (a value, quantity, etc. beyond the known range) on the basis of certain variables within the known range, from which the estimated value is assumed to follow
to arrive at (conclusions or results) by hypothesizing from known facts or observations
to speculate as to consequences on the basis of (known facts or observations)