To infer or estimate by extending or projecting known information.
Scientists can extrapolate future climate patterns based on current data.
To predict by projecting past experience or known data.
The economist attempted to extrapolate the economic growth for the next decade.
To estimate the value of a function or quantity outside the known range by assuming that the existing trend continues (especially in mathematics and statistics).
Using the recorded data points, the engineer extrapolated the pressure values beyond the tested limits.