Definition from Wiktionary, the free dictionary
- Rhymes: -eɪʃən
extrapolation (plural extrapolations)
- (mathematics) A calculation of an estimate of the value of some function outside the range of known values.
- An inference about some hypothetical situation based on known facts.
calculation of an estimate
Related terms 
extrapolation f (plural extrapolations)
- an extrapolation; inference of a hypothetical situation.
Declension of extrapolation