petabyte

[ pet-uh-bahyt ]

noun
  1. 250bytes, or 1,024 terabytes.

  2. (loosely) 1015 or a million billion bytes. Symbol: PB

Origin of petabyte

1

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British Dictionary definitions for petabyte

petabyte

/ (ˈpɛtəˌbaɪt) /


noun
  1. computing 10 15 or 2 50 bytes

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

Scientific definitions for petabyte

petabyte

[ pĕtə-bīt ]


  1. A unit of computer memory or data storage capacity equal to 1,024 terabytes (250 bytes).

  2. One quadrillion bytes. See Note at megabyte.

The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.