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Syllabification: zet·ta·byte
Pronunciation: /ˈzedəˌbīt
(abbrev.: Zb or ZB)

Definition of zettabyte in English:


A unit of information equal to one sextillion (1021) or, strictly, 270 bytes.
Example sentences
  • Humanity's total digital output currently stands at 8,000,000 petabytes—which each represent a million gigabytes—but is expected to pass 1.2 zettabytes this year.
  • A zettabyte, incidentally, is roughly half a million times the entire collections of all the academic libraries in the United States.
  • We are talking just under half a Zettabyte.

Definition of zettabyte in:

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