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We found 16 dictionaries with English definitions that include the word disk operating system: Click on the first link on a line below to go directly to a page where "disk operating system" is defined. General (10 matching dictionaries) disk operating_system: American Heritage Dictionary of the English Language [home, info] disk operating_system: Collins English Dictionary [home, info] disk operating_system: Vocabulary.com [home, info] disk operating_system: Dictionary.com [home, info] Disk Operating System: Wikipedia, the Free Encyclopedia [home, info] Disk operating system: Rhymezone [home, info] disk operating_system: Free Dictionary [home, info] disk operating_system: Mnemonic Dictionary [home, info] disk operating_system: LookWAYup Translating Dictionary/Thesaurus [home, info] disk operating_system: Dictionary/thesaurus [home, info] Business (1 matching dictionary) disk operating_system (DOS): BusinessDictionary.com [home, info] Computing (3 matching dictionaries) Disk Operating System, disk operating_system: Free On-line Dictionary of Computing [home, info] disk operating_system (DOS): I T Glossary [home, info] disk operating_system: Encyclopedia [home, info] Medicine (1 matching dictionary) disk operating_system: online medical dictionary [home, info] Tech (1 matching dictionary) DISK OPERATING SYSTEM: Space and Electronic Warfare Lexicon [home, info]

Quick definitions from WordNet (Disk operating system) ▸ noun:  an operating system that is on a disk