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definitions

petabyte

[ pet-uh-bahyt ]
/ ˈpɛt əˌbaɪt /

noun

250 bytes, or 1,024 terabytes.
(loosely) 1015 or a million billion bytes. Symbol: PB

Nearby words

  1. pet sitting,
  2. pet.,
  3. pet.e.,
  4. peta,
  5. peta-,
  6. petach tikva,
  7. petah tiqwa,
  8. petahertz,
  9. petal,
  10. petaliferous

Origin of petabyte

peta- + byte
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for petabyte

petabyte

/ (ˈpɛtəˌbaɪt) /

noun

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
Science definitions for petabyte

petabyte

[ pĕt′ə-bīt ]

A unit of computer memory or data storage capacity equal to 1,024 terabytes (250 bytes).
One quadrillion bytes. See Note at megabyte.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.