extrapolative (exˈtrapolative) or extrapolatory (exˈtrapolatory)
Word origin of 'extrapolate'
C19: extra- + -polate, as in interpolate
extrapolate for learners of EnglishPowered by COBUILD (ɪkstræpəleɪt)
Word forms: extrapolates, extrapolating, extrapolated
If you extrapolate from known facts, you use them as a basis for general statements about a situation or about what is likely to happen in the future. [formal] [V + from] ⇒ Extrapolating from his American findings, he reckons about 80% of these deaths might be attributed to smoking. [V n + from] ⇒ It is unhelpful to extrapolate general trends from one case.
extrapolation (ɪkstræpəleɪʃən)Word forms: extrapolationsvariable noun [+ of] ⇒ His estimate of half a million HIV positive cases was based on an extrapolation of the known incidence of the virus.
`Oh, we should be able to extrapolate where she went, who she knew, what she did.Tapply, William G FOLLOW THE SHARKSYou only have to extrapolate to see how much the gang is bringing in.Diana Wynne Jones THE LIVES OF CHRISTOPHER CHANT