extrapolate

/ɛkˈstɹæp.əˌleɪt/
verb

Meaning

To infer by extending known information.
To infer by extending known information.
To estimate the value of a variable outside a known range from values within that range by assuming that the estimated value follows logically from the known ones

Examples

With fresh material, taxonomic conclusions are leavened by recognition that the material examined reflects the site it occupied; a herbarium packet gives one only a small fraction of the data desirable for sound conclusions. Herbarium material does not, indeed, allow one to extrapolate safely: what you see is what you get[…]

Word Forms

extrapolates extrapolating extrapolated

Etymology

Etymology tree
Proto-Indo-European *h₁éǵʰ
Proto-Indo-European *-s
Proto-Indo-European *h₁éǵʰs
Proto-Indo-European *-teros
Proto-Indo-European *h₁eǵʰsteros
Proto-Italic *eksteros
Latin exter
Latin extrā
English extra-
English (inter)polate
English extrapolate
From extra- + (inter)polate.

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