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zettabyte 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
  • 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.
  • This means that 1,000 exabytes equals 1 zettabyte (ZB), and 1,000 zettabytes equals 1 yottabyte (YB).
Definition of zettabyte in:
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