/ Dictionary / Index K kilobyte: Meaning and Definition of Find definitions for: kil•o•byte Pronunciation: (kil'u-bīt"), [key] — n. Computers. 1024 (2) bytes. (loosely) 1000 bytes. Symbol: K, KB Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: kilobyte (Thesaurus) kilobit kilocalorie Related Content Daily Word Quiz: profiterole Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language