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yottabyte

[yot-uh-bahyt]
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noun Computers.
  1. 280 bytes; 1024 zettabytes.
  2. (loosely) 1024 or one septillion bytes; 1000 zettabytes. Symbol: YB
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Origin of yottabyte

First recorded in 1990–95; yotta- + byte
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for yottabyte

yottabyte

noun
  1. computing 10 24 or 2 80 bytes
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Word Origin

C20: probably from Italian otto eight
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