extrapolation.
A calculation of an estimate of the value of some function outside the range of known values.
Meaning & usage
A calculation of an estimate of the value of some function outside the range of known values.
An inference about some hypothetical situation based on known facts.
The diametric opposite of interpolation.
Where this word comes from
Morphologically extrapolate + -ion
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.