Standard Lemma guide

terabyte

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

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.

  • /ˈtɛɹəˌbaɪt/
  • [ˈthɛɹəˌbaɪ̯t]
  • Recorded audio is listed in the source snapshot.
  • CMU ARPABET: T EH2 R AH0 B AY1 T Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

noun

Meaning 1

One trillion (1012, or 1,000,000,000,000) bytes or 1,000 gigabytes.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

A tebibyte.

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 gibibytes or 2^40 (1,099,511,627,776) bytes

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: tebibyte, TB, TiB

Antonyms: none provided

Broader terms: computer memory unit

4

noun

Meaning 4

a unit of information equal to 1000 gigabytes or 10^12 (1,000,000,000,000) bytes

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: TB

Antonyms: none provided

Broader terms: computer memory unit

History

Etymology

Etymology tree English tera- 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 terabyte From tera- + byte.

Across languages

Translations

25 source translations are retained for this English entry.

  • Arabic: تِيرَابَايْت (tirabayt) — 1,000,000,000,000 bytes
  • Chinese Mandarin: 太字節 /太字节 (tàizìjié) — 1,000,000,000,000 bytes
  • Chinese Mandarin: TB — 1,000,000,000,000 bytes
  • Czech: terabajt — 1,000,000,000,000 bytes
  • Czech: terabyte — 1,000,000,000,000 bytes
  • Esperanto: terabajto — 1,000,000,000,000 bytes
  • Esperanto: terabitoko — 1,000,000,000,000 bytes
  • Finnish: teratavu — 1,000,000,000,000 bytes
  • French: téraoctet — 1,000,000,000,000 bytes
  • Georgian: ტერაბაიტი (ṭerabaiṭi) — 1,000,000,000,000 bytes
  • German: Terabyte — 1,000,000,000,000 bytes
  • Greek: τεραμπάιτ (terampáit) — 1,000,000,000,000 bytes
  • Greek: τεραδυφιοσυλλαβή (teradyfiosyllaví) — 1,000,000,000,000 bytes
  • Hungarian: terabyte — 1,000,000,000,000 bytes
  • Japanese: テラバイト (terabaito) — 1,000,000,000,000 bytes
  • Korean: 테라바이트 (terabaiteu) — 1,000,000,000,000 bytes
  • Macedonian: терабајт (terabajt) — 1,000,000,000,000 bytes
  • Malay: terabait — 1,000,000,000,000 bytes
  • Navajo: dlaałtsohʼííłké — 1,000,000,000,000 bytes
  • Polish: terabajt — 1,000,000,000,000 bytes
  • Portuguese: terabyte — 1,000,000,000,000 bytes
  • Russian: тераба́йт (tɛrabájt) — 1,000,000,000,000 bytes
  • Thai: เทระไบต์ — 1,000,000,000,000 bytes
  • Ukrainian: тераба́йт (terabájt) — 1,000,000,000,000 bytes
  • Uyghur: تېرابايت (tërabayt) — 1,000,000,000,000 bytes