different between extrapolate vs portend

extrapolate

English

Etymology

From extra- +? (inter)polate.

Pronunciation

  • (UK, US) IPA(key): /?k?st?æp.??le?t/, /?k-/

Verb

extrapolate (third-person singular simple present extrapolates, present participle extrapolating, simple past and past participle extrapolated)

  1. (transitive) To infer by extending known information.
  2. (transitive, 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

Related terms

  • extrapolation
  • extrapolator
  • extrapolative

See also

  • expound (upon)

Translations

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portend

English

Etymology

Borrowed from Latin portendere (to foretell), from por- (forward) + tendere (to stretch), present active infinitive of tendo.

Pronunciation

  • (UK) IPA(key): /p???t?nd/
  • (US) IPA(key): /p???t?nd/
  • Rhymes: -?nd

Verb

portend (third-person singular simple present portends, present participle portending, simple past and past participle portended)

  1. (transitive) To serve as a warning or omen of.
  2. (transitive) To signify; to denote.

Synonyms

  • foreshadow
  • presage

Related terms

  • portent
  • portentive
  • portentous

Translations

See also

  • harbinger

Anagrams

  • dropnet, protend

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