Standard Lemma guide

yottabyte

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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  • /ˈjɒtəbaɪt/
  • Southern-England: Recorded audio is listed in the source snapshot.

1

noun

Meaning 1

One septillion (1024, or 1,000,000,000,000,000,000,000,000) bytes or 1,000 zettabytes.

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

noun

Meaning 2

A yobibyte.

Definition source: English Wiktionary via Wiktextract

Usage: informal

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 unit of information equal to 1024 zebibytes or 2^80 bytes

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: yobibyte, YB, YiB

Antonyms: none provided

Broader terms: computer memory unit

4

noun

Meaning 4

a unit of information equal to 1000 zettabytes or 10^24 bytes

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: YB

Antonyms: none provided

Broader terms: computer memory unit

History

Etymology

Etymology tree English yotta- Proto-Indo-European *bheyd- Proto-Indo-European *bhéydt Proto-Germanic *bītaną Proto-West Germanic *bītan Old English bītan Middle English biten English bite English byte English yottabyte From yotta- + byte.

Across languages

Translations

19 source translations are retained for this English entry.

  • Arabic: يَوتَابَايْت (yotābāit) — 280 or 1024 bytes
  • Chinese Mandarin: 堯字節 /尧字节 (yáozìjié) — 280 or 1024 bytes
  • Chinese Mandarin: YB — 280 or 1024 bytes
  • Esperanto: jotabajto — 280 or 1024 bytes
  • Esperanto: jotabitoko — 280 or 1024 bytes
  • Finnish: jottatavu — 280 or 1024 bytes
  • Georgian: იოტაბაიტი (ioṭabaiṭi) — 280 or 1024 bytes
  • German: Yottabyte — 280 or 1024 bytes
  • Greek: γιοτταμπάιτ (giottampáit) — 280 or 1024 bytes
  • Greek: γιοτταδυφιοσυλλαβή (giottadyfiosyllaví) — 280 or 1024 bytes
  • Japanese: ヨタバイト (yotabaito) — 280 or 1024 bytes
  • Korean: 요타바이트 (yotabaiteu) — 280 or 1024 bytes
  • Macedonian: јотабајт (jotabajt) — 280 or 1024 bytes
  • Malay: yotabait — 280 or 1024 bytes
  • Navajo: tʼéíłtsohʼííłké — 280 or 1024 bytes
  • Polish: jottabajt — 280 or 1024 bytes
  • Portuguese: yottabyte — 280 or 1024 bytes
  • Russian: йоттаба́йт (jottabájt) — 280 or 1024 bytes
  • Uyghur: يوتتابايت (yottabayt) — 280 or 1024 bytes