Minidisc

n. trademark for a Sony minidisc

n. small disc (5 cm {2 inches} in diameter) similar to a small compact disc for recording sound or storing computer data

See also IBM's VM operating system family, where minidisk refers to a logical unit of storage. A MiniDisc (MD) is a magneto-optical disc-based data storage device initially intended for storage of up to 80 minutes of digitalized audio. Today, in the form of Hi-MD, it has developed into a general-purpose storage medium in addition to greatly expanding its audio roots.
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