/ Thesaurus / Z Synonyms of zettabyte Find synonyms for: Noun1. zettabyte, ZB, computer memory unitusage: a unit of information equal to 1000 exabytes or 10^21 bytes2. zettabyte, zebibyte, ZB, ZiB, computer memory unitusage: a unit of information equal to 1024 exbibytes or 2^70 bytesWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: pugilist Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language