extrapolate (ɪkˈstræpəˌleɪt) | |
—vb | |
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 |
[C19: | |
extrapo'lation | |
—n | |
ex'trapolative | |
—adj | |
ex'trapolatory | |
—adj | |
ex'trapolator | |
—n |
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.