# Extrapolate

[ik-strap-uh-leyt] /ɪkˈstræp əˌleɪt/

**verb** (used with object), extrapolated, extrapolating.

1.

to infer (an unknown) from something that is known; conjecture.

2.

Statistics. to estimate (the value of a variable) outside the tabulated or observed range.

3.

Mathematics. to estimate (a function that is known over a range of values of its independent variable) to values outside the known range.

**verb** (used without object), extrapolated, extrapolating.

4.

to perform extrapolation.

/ɪkˈstræpəˌleɪt/

**verb**

1.

(maths) to estimate (a value of a function or measurement) beyond the values already known, by the extension of a curve Compare interpolate (sense 4)

2.

to infer (something not known) by using but not strictly deducing from the known facts

v.

1874, a back-formation from extrapolation by analogy of interpolate. Said in early references to be an expression of Sir George Airy (1801-1892), English mathematician and astronomer. Related: Extrapolated; extrapolating.

extrapolate

(ĭk-strāp’ə-lāt’)

To estimate the value of a quantity that falls outside the range in which its values are known.

extrapolation

Tagged: e

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