petabit

P3E1T1A1B3I1T1

noun

One quadrillion (10¹⁵, or 1,000,000,000,000,000) bits or 1,000 terabits.

Similar
PbitPb
OriginEnglish bit ← Middle English digit ← Latin digitus →
Scrabble 11
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Meanings

nounpetabit (plural petabits)

plural petabits

  1. computingOne quadrillion (10¹⁵, or 1,000,000,000,000,000) bits or 1,000 terabits.
  2. informalcomputinga pebibit.

Synonyms & antonyms

Similar
Pbit

nouna unit of information equal to 1000 terabits or 10^15 bits

Similar
PbitPb
Broader
computer memory unit
Also see
pb

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

  1. Englishpeta-
  2. Proto-Indo-European*dwóh₁
  3. Proto-Indo-European*trísinflu.
  4. Proto-Indo-European*dwís
  5. Proto-Italic*dwis
  6. Proto-Italic*dwiznos
  7. Latinbīnus
  8. Late Latinbīnāriu
  9. Middle Englishbinarie
  10. Englishbinary
  11. Proto-Indo-European*deyḱ-der.?
  12. Latindigitus
  13. Middle Englishdigit
  14. Englishdigit
  15. Englishbinary digitabbr.
  16. Englishbitinflu.
  17. Englishbit
  18. Englishpetabit

From peta- + bit.

Full word history & related roots →

Translations

Esperanto petabito
  • petabitoone quadrillion bits
Finnish petabitti
  • petabittione quadrillion bits
Japanese ペタビット
  • ペタビット (petabitto)one quadrillion bits
Korean 페타비트
  • 페타비트 (petabiteu)one quadrillion bits
Portuguese petabit
  • petabitone quadrillion bits
Russian петаби́т
  • петаби́т (petabít)one quadrillion bits
Thai เพตะบิต
  • เพตะบิตone quadrillion bits
Cite this entry
APA

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

MLA

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

Chicago

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

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