/ Thesaurus / P Synonyms of pebibyte Find synonyms for: Noun1. petabyte, pebibyte, PB, PiB, computer memory unitusage: a unit of information equal to 1024 tebibytes or 2^50 bytesWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: philanthropy Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language