|1.||maths Compare interpolate to estimate (a value of a function or measurement) beyond the values already known, by the extension of a curve|
|2.||to infer (something not known) by using but not strictly deducing from the known facts|
A mathematical procedure designed to enable one to estimate unknown values of a parameter from known values. A common method of extrapolation is to look at data on a curve, then extend the curve into regions for which there is no data. Extrapolation is often used to predict the future.