noun · 3 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.
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Pronunciation
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UK:/kəmˈpɑːtmɛnˈteɪʃn̩/
US:/kəmˈpɑɹtmɛnˈteɪʃn̩/
1
noun
Meaning 1
Division into compartments; compartmentalization.
So as to prevent the spread of fire within a structure.
Definition source: English Wiktionary via Wiktextract
Examples
The fire spread rapidly after the building's compartmentation failed.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
2
noun
Meaning 2
Division into compartments; compartmentalization.
So as to prevent the spread of water (or rarely, another fluid) between otherwise watertight compartments (especially on a ship).
Definition source: English Wiktionary via Wiktextract
Examples
The Titanics compartmentation' did not stop water from entering rooms.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
3
noun
Meaning 3
The dissemination of information and knowledge between different people or organisations on a need-to-know basis, so as to reduce the risk of espionage should one person or organisation be compromised externally; compartmentalization.
Definition source: English Wiktionary via Wiktextract
Topics: government, military, politics, war
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
History
Etymology
Etymology tree Proto-Indo-European *ḱe? Proto-Indo-European *ḱóm Proto-Italic *kom Proto-Italic *kom- Latin com- Proto-Indo-European *perh3-der.? Proto-Italic *partis Latin pars Latin partiō Latin partior Latin compartīrībor. Italian compartire Proto-Indo-European *-mn̥ Proto-Indo-European *-mn̥tom Proto-Italic *-mentom Latin -mentum Italian -mento Italian compartimentobor. Middle French compartimentder. English compartment Proto-Indo-European *-tis Proto-Indo-European *-Hō Proto-Indo-European *-tiHō Proto-Italic *-tiō Latin -tiō Latin -ātiōlbor. Old French -ationbor. Middle English -acioun English -ation English compartmentation From compartment + -ation.