Standard Lemma guide

checksum

noun · verb · 3 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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1

noun

Meaning 1

A number, derived by applying a suitable algorithm to some data, used to check whether errors have occurred in transmission, storage or data entry.

Definition source: English Wiktionary via Wiktextract

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

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

verb

Meaning 2

To compute a checksum.

Definition source: English Wiktionary via Wiktextract

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

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

a digit representing the sum of the digits in an instance of digital data; used to check whether errors have occurred in transmission or storage

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: confirmation, verification, check, substantiation

History

Etymology

From check + sum.

Across languages

Translations

41 source translations are retained for this English entry.

  • Afrikaans: kontrolesom — number serving to detect error
  • Arabic: تَدْقِيق مَجْمُوع (tadqīq majmūʕ) — number serving to detect error
  • Catalan: suma de verificació — number serving to detect error
  • Catalan: checksum — number serving to detect error
  • Chinese Mandarin: 校驗和 /校验和 (jiàoyànhé) — number serving to detect error
  • Chinese Mandarin: 檢查和 /检查和 (jiǎncháhé) — number serving to detect error
  • Czech: kontrolní součet — number serving to detect error
  • Dutch: controlecijfer — number serving to detect error
  • Dutch: checksum — number serving to detect error
  • Esperanto: kontrolsumo — number serving to detect error
  • Estonian: kontrollsumma — number serving to detect error
  • Finnish: tarkiste — number serving to detect error
  • Finnish: tarkistussumma — number serving to detect error
  • Finnish: tarkastussumma — number serving to detect error
  • French: somme de contrôle — number serving to detect error
  • German: Prüfsumme — number serving to detect error
  • Greek: άθροισμα ελέγχου (áthroisma elénchou) — number serving to detect error
  • Hebrew: סכום ביקורת — number serving to detect error
  • Hungarian: ellenőrző összeg — number serving to detect error
  • Icelandic: prófsumma — number serving to detect error
  • Icelandic: gátsumma — number serving to detect error
  • Japanese: チェックサム (chekkusamu) — number serving to detect error
  • Korean: 체크섬 (chekeuseom) — number serving to detect error
  • Norwegian: sjekksum — number serving to detect error
  • Polish: suma kontrolna — number serving to detect error
  • Portuguese: checksum — number serving to detect error
  • Portuguese: soma de verificação — number serving to detect error
  • Russian: контро́льная су́мма (kontrólʹnaja súmma) — number serving to detect error
  • Serbo-Croatian: kontrolni zbir — number serving to detect error
  • Serbo-Croatian: provjerni zbir — number serving to detect error
  • Serbo-Croatian: proverni zbir — number serving to detect error
  • Slovak: kontrolný súčet — number serving to detect error
  • Spanish: suma de verificación — number serving to detect error
  • Spanish: checksum — number serving to detect error
  • Swedish: kontrollsumma — number serving to detect error
  • Turkish: sağlama toplamı — number serving to detect error
  • Turkish: sınama toplamı — number serving to detect error
  • Turkish: kontrol hanesi — number serving to detect error
  • Ukrainian: контро́льна су́ма (kontrólʹna súma) — number serving to detect error
  • Vietnamese: giá trị kiểm tra — number serving to detect error
  • Vietnamese: giá trị tổng kiểm — number serving to detect error
Real reading context

checksum in complete knowledge articles