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definitions

kilobyte

[ kil-uh-bahyt ]
/ ˈkɪl əˌbaɪt /

noun Computers.

1024 (210) bytes.
(loosely) 1000 bytes. Symbol: K, KB

Nearby words

  1. kilner jar,
  2. kilo,
  3. kilo-,
  4. kilobar,
  5. kilobit,
  6. kilocalorie,
  7. kilocurie,
  8. kilocycle,
  9. kiloelectron volt,
  10. kilogauss

Origin of kilobyte

First recorded in 1965–70; kilo- + byte
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for kilobyte

kilobyte

/ (ˈkɪləˌbaɪt) /

noun

computing 1024 bytesAbbreviation: KB, kbyte See also kilo- (def. 2)
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

Word Origin and History for kilobyte

kilobyte

n.

1970, from kilo- + byte.

Online Etymology Dictionary, © 2010 Douglas Harper

Science definitions for kilobyte

kilobyte

[ kĭl′ə-bīt′ ]

A unit of computer memory or data storage capacity equal to 1,024 (that is, 210) bytes.
One thousand bytes. See Note at megabyte.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.