/ Thesaurus / O Synonyms of optical disc Find synonyms for: Noun1. optical disk, optical disc, memory device, storage deviceusage: a disk coated with plastic that can store digital data as tiny pits etched in the surface; is read with a laser that scans the surfaceWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: diligent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language