Definition of disc system in English:
disc system
noun
1A machine, appliance, or system employing discs; specifically (usually in form disk system) a computer system in which a disk is used as the main storage medium; a storage system incorporating a disk.
2A system or set of discs; (Astronomy) a galactic system in the form of a disc.
Origin
Mid 19th century; earliest use found in The Civil Engineer and Architect's Journal.
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