Phrase guide

disk operating system

noun · 2 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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No pronunciation record was provided for this word.

1

noun

Meaning 1

A type of computer operating system that requires a disk drive for secondary storage to manage files and load programs.

Definition source: English Wiktionary via Wiktextract

Topics: computing, engineering, mathematics, natural-sciences, physical-sciences, sciences, software

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: DOS

Antonyms: none provided

2

noun

Meaning 2

an operating system that is on a disk

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: DOS

Antonyms: none provided

Broader terms: operating system, OS

Narrower terms: MS-DOS, Microsoft disk operating system

History

Etymology

No etymology was provided for this word.