Zettabyte

//ˈzɛtəbaɪt// noun, slang

noun, slang ·Moderate ·College level

Definitions

Noun
  1. 1
    One sextillion (10²¹, or 1,000,000,000,000,000,000,000) bytes or 1,000 exabytes.

    "Cerberus Scientist: I'm sorry, sir. None of Normandy's surveillance feeds have been responding since Shepard went rogue. Illusive Man: I want it back. Retry the remote lockdown protocols. Cerberus Scientist: After our last attempt, EDI flooded our server with seven zettabytes of explicit images. I think she was making a joke."

  2. 2
    a unit of information equal to 1024 exbibytes or 2^70 bytes wordnet
  3. 3
    A zebibyte. informal
  4. 4
    a unit of information equal to 1000 exabytes or 10^21 bytes wordnet

Synonyms

All synonyms
zbexabyteyottabytezbzebibytezib

Example

More examples

"Cerberus Scientist: I'm sorry, sir. None of Normandy's surveillance feeds have been responding since Shepard went rogue. Illusive Man: I want it back. Retry the remote lockdown protocols. Cerberus Scientist: After our last attempt, EDI flooded our server with seven zettabytes of explicit images. I think she was making a joke."

Etymology

From zetta- + byte.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.