terabyte

tera·byte
T1E1R1A1B3Y4T1E1
/ˈtɛɹəˌbaɪt/[ˈtʰɛɹəˌbaɪ̯t]

noun

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

Similar
TBtebibyteTiB
OriginEnglish byte ← Middle English biten ← Old English bītan →
Less commonScrabble 13
Ask AI about this wordChatGPTClaudePerplexityGoogle AIGrok

Meanings

nounterabyte (plural terabytes)

plural terabytes

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

Synonyms & antonyms

Similar
TB

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

Similar
TB
Broader
computer memory unit

nouna unit of information equal to 1024 gibibytes or 2^40 (1,099,511,627,776) bytes

Similar
tebibyteTBTiB
Broader
computer memory unit
Also see
tebibytetib

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

  1. Englishtera-
  2. Proto-Indo-European*bʰeyd-
  3. Proto-Indo-European*bʰéydt
  4. Proto-Germanic*bītaną
  5. Proto-West Germanic*bītan
  6. Old Englishbītan
  7. Middle Englishbiten
  8. Englishbite
  9. Englishbyte
  10. Englishterabyte

From tera- + byte.

Full word history & related roots →

Translations

Arabic تِيرَابَايْت
  • تِيرَابَايْت (tirabayt)1,000,000,000,000 bytes
Chinese Mandarin 太字節 /太字节, TB
  • 太字節 /太字节 (tàizìjié)1,000,000,000,000 bytes
  • TB1,000,000,000,000 bytes
Czech terabajt, terabyte
  • terabajt1,000,000,000,000 bytes
  • terabyte1,000,000,000,000 bytes
Esperanto terabajto, terabitoko
  • terabajto1,000,000,000,000 bytes
  • terabitoko1,000,000,000,000 bytes
Finnish teratavu
  • teratavu1,000,000,000,000 bytes
French téraoctet
  • téraoctet1,000,000,000,000 bytes
German Terabyte
  • Terabyte1,000,000,000,000 bytes
Greek τεραμπάιτ, τεραδυφιοσυλλαβή
  • τεραμπάιτ (terampáit)1,000,000,000,000 bytes
  • τεραδυφιοσυλλαβή (teradyfiosyllaví)1,000,000,000,000 bytes
Hungarian terabyte
  • terabyte1,000,000,000,000 bytes
Japanese テラバイト
  • テラバイト (terabaito)1,000,000,000,000 bytes
Korean 테라바이트
  • 테라바이트 (terabaiteu)1,000,000,000,000 bytes
Malay terabait
  • terabait1,000,000,000,000 bytes
Polish terabajt
  • terabajt1,000,000,000,000 bytes
Portuguese terabyte
  • terabyte1,000,000,000,000 bytes
Russian тераба́йт
  • тераба́йт (tɛrabájt)1,000,000,000,000 bytes
Thai เทระไบต์
  • เทระไบต์1,000,000,000,000 bytes
Ukrainian тераба́йт
  • тераба́йт (terabájt)1,000,000,000,000 bytes

Rhymes & wordplay

Anagrams

Atteberybrayette
Cite this entry
APA

terabyte. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/terabyte

MLA

“terabyte.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/terabyte. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “terabyte,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/terabyte.

Source: terabyte on Wiktionary, CC BY-SA 4.0.