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8 Words That Are Older Than You Think

zettabyte

[zet-uh-bahyt] /ˈzɛt əˌbaɪt/
noun, Computers.
1.
2 70 bytes; 1024 exabyte.
2.
(loosely) 10 21 or one sextillion bytes; 1000 exabytes. Symbol: ZB.
Origin
1990-1995
1990-95; zetta- + byte
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for zettabyte

zettabyte

/ˈzɛtəˌbaɪt/
noun
1.
(computing) 1021 or 270 bytes
Word Origin
C20: probably from Italian sette seven
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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zettabyte in Technology

unit
2^70 = 1,180,591,620,717,411,303,424 bytes = 1024 exabytes.
See prefix.
(1997-05-02)

The Free On-line Dictionary of Computing, © Denis Howe 2010 http://foldoc.org
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