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Superfluous vs Extrapolate - What's the difference?

superfluous | extrapolate |

As an adjective superfluous

is in excess of what is required or sufficient.

As a verb extrapolate is

to infer by extending known information.

superfluous

English

Adjective

(-)
  • In excess of what is required or sufficient.
  • With a full rain suit, carrying an umbrella may be superfluous .

    Synonyms

    * excessive, extraneous, extra, pleonastic, supernumerary, surplus, unnecessary, extravagant

    Coordinate terms

    * gratuitous

    extrapolate

    English

    Verb

    (extrapolat)
  • To infer by extending known information.
  • *
  • 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
  • (mathematics) 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
  • Antonyms

    * (mathematics) interpolate