1. a small optical disc used for recording and playing back digital audio, popular in the 1990s and 2000s.
Usage: often capitalized as MiniDisc when referring to the proprietary format; largely obsolete; replaced by digital music players and streaming services

Examples

• She carried a minidisc player in her backpack during college.
• The minidisc format allowed users to record their own music compilations.
• Before iPods became popular, many people used minidisc recorders for portable audio.
• He still owns several minidiscs from the early 2000s.
• The minidisc player was smaller and more durable than a portable CD player.