/ Thesaurus / O Synonyms of operation code Find synonyms for: Noun1. operation code, order code, code, computer codeusage: the portion of a set of operation descriptions that specifies the operation to be performed; the set of operations in a computerWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: vertigo Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language