Standard Lemma guide

recursion

noun · 4 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

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  • /ɹɪˈkɜː(ɹ)ʒən/
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  • Southern-England: Recorded audio is listed in the source snapshot.
  • rhymes with -ɜː(ɹ)ʒən

1

noun

Meaning 1

The act of recurring.

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

2

noun

Meaning 2

The act of defining an object (usually a function) in terms of that object itself.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Topics: mathematics, sciences

Examples

  • n! = n × (n − 1)! (for n > 0) or 1 (for n = 0) defines the factorial function using recursion.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

The invocation of a procedure from within itself.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Topics: computing, engineering, mathematics, natural-sciences, physical-sciences, programming, sciences

Examples

  • This function uses recursion to compute factorials.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

noun

Meaning 4

(mathematics) an expression such that each term is generated by repeating a particular mathematical operation

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: rule, formula

History

Etymology

Borrowed from Latin recursiō (“the act of running back or again, return”), from recurrō (“run back; return”), from re- (“back, again”) + currō (“run”).

Across languages

Translations

30 source translations are retained for this English entry.

  • Finnish: toisto — the act of recurring
  • Finnish: uusinta — the act of recurring
  • Finnish: rekursio — the act of recurring
  • Greek: αναδρομή (anadromí) — the act of recurring
  • Italian: ricorsività — the act of recurring
  • Portuguese: recorrência — the act of recurring
  • Portuguese: recursão — the act of recurring
  • Spanish: recursión — the act of recurring
  • Arabic: تَسَلْسُل (tasalsul) — in mathematics
  • Chinese Mandarin: 遞迴 /递回 (dìhuí) — in mathematics
  • Chinese Mandarin: 遞歸 /递归 (dìguī) — in mathematics
  • Czech: rekurze — in mathematics
  • Dutch: recursie — in mathematics
  • Esperanto: rekuro — in mathematics
  • Finnish: rekursio — in mathematics
  • Japanese: 再帰 (saiki) — in mathematics
  • German: Rekursion — in mathematics
  • Greek: αναδρομή (anadromí) — in mathematics
  • Italian: ricorsività — in mathematics
  • Polish: rekurencja — in mathematics
  • Portuguese: recorrência — in mathematics
  • Russian: реку́рсия (rekúrsija) — in mathematics
  • Spanish: recurrencia — in mathematics
  • Swedish: rekursion — in mathematics
  • Vietnamese: đệ quy — in mathematics
  • Arabic: تَسَلْسُل (tasalsul) — the invocation of a procedure from within itself
  • Czech: rekurze — the invocation of a procedure from within itself
  • Esperanto: rekuro — the invocation of a procedure from within itself
  • German: Rekursion — the invocation of a procedure from within itself
  • Portuguese: recursão — the invocation of a procedure from within itself