Standard Lemma guide

extrapolation

noun · 5 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • UK, US: /ɛkˌstɹæp.əˈleɪ.ʃən/
  • UK, US: /ɪk-/
  • Southern-England: Recorded audio is listed in the source snapshot.
  • rhymes with -eɪʃən
  • CMU ARPABET: EH0 K S T R AE2 P AH0 L EY1 SH AH0 N Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

noun

Meaning 1

A calculation of an estimate of the value of some function outside the range of known values.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Topics: mathematics, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

An inference about some hypothetical situation based on known facts.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

The diametric opposite of interpolation.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Topics: entertainment, lifestyle, music

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

noun

Meaning 4

an inference about the future (or about some hypothetical situation) based on known facts and observations

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: inference, illation

5

noun

Meaning 5

(mathematics) calculation of the value of a function outside the range of known values

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: calculation, computation, figuring, reckoning

History

Etymology

Morphologically extrapolate + -ion

Across languages

Translations

34 source translations are retained for this English entry.

  • Armenian: արտարկում (artarkum) — calculation of an estimate
  • Armenian: էքստրապոլյացիա (ēkʻstrapolyacʻia) — calculation of an estimate
  • Catalan: extrapolació — calculation of an estimate
  • Chinese Mandarin: 延拓 (yántuò) — calculation of an estimate
  • Czech: extrapolace — calculation of an estimate
  • Dutch: extrapolatie — calculation of an estimate
  • Finnish: ekstrapolaatio — calculation of an estimate
  • French: extrapolation — calculation of an estimate
  • Galician: extrapolación — calculation of an estimate
  • German: Extrapolation — calculation of an estimate
  • German: Hochrechnung — calculation of an estimate
  • Hungarian: extrapoláció — calculation of an estimate
  • Indonesian: ekstrapolasi — calculation of an estimate
  • Irish: eachtarshuíomh — calculation of an estimate
  • Italian: estrapolazione — calculation of an estimate
  • Japanese: 外挿 (gaisō) — calculation of an estimate
  • Polish: ekstrapolacja — calculation of an estimate
  • Portuguese: extrapolação — calculation of an estimate
  • Romanian: extrapolare — calculation of an estimate
  • Russian: экстраполя́ция (ekstrapoljácija) — calculation of an estimate
  • Spanish: extrapolación — calculation of an estimate
  • Swedish: extrapolering — calculation of an estimate
  • Thai: การประมาณค่านอกช่วง — calculation of an estimate
  • Vietnamese: ngoại suy — calculation of an estimate
  • Czech: extrapolace — inference
  • Dutch: extrapolatie — inference
  • Finnish: ekstrapolaatio — inference
  • German: Extrapolation — inference
  • Ancient Greek: παρεκβολή (parekbolḗ) — inference
  • Indonesian: ekstrapolasi — inference
  • Italian: estrapolazione — inference
  • Polish: ekstrapolacja — inference
  • Portuguese: extrapolação — inference
  • Swedish: extrapolation — inference
Real reading context

extrapolation in complete knowledge articles