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English definition of “extrapolation”

extrapolation

noun [C or U]     /ɪkˌstræpəˈleɪʃən/
the process of using existing information to discover what is likely to happen or be true in the future: extrapolation of sth The bank expects inflation to overshoot target in two years, but this is only an extrapolation of past trends.extrapolation from sth Extrapolation from the past into the future is a poor guide for strategic business planning.
(Definition of extrapolation noun from the Cambridge Business English Dictionary © Cambridge University Press)
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