Breadcrumb Home > Dictionary > Index O optical disk: Meaning and Definition of Find definitions for: op'tical disk' Pronunciation: [key] — Computers, Television. Computers,Television. Also calleda grooveless disk on which digital data, as text, music, or pictures, is stored as tiny pits in the surface and is read or replayed by a laser beam scanning the surface. videodisk. Cf. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. optical computer optical double star TrendingHere are the facts and trivia that people are buzzing about. Chinese New Year History, Meaning, and Celebrations Current Events This Week: February 2024 Valentine's Day Valentine's Day History Mardi Gras 30 "Charlie and the Chocolate Factory" Quotes ✖ Related Content Daily Word Quiz: recherch Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language