bulkhead: meaning, definition, pronunciation and examples
C1Technical/Formal/Industry-specific
Quick answer
What does “bulkhead” mean?
A sturdy, vertical partition or wall, typically used to separate compartments within a structure, especially a ship, aircraft, or vehicle, to prevent the spread of fire, water, or pressure.
Audio
Pronunciation
Definition
Meaning and Definition
A sturdy, vertical partition or wall, typically used to separate compartments within a structure, especially a ship, aircraft, or vehicle, to prevent the spread of fire, water, or pressure.
Any strong, often sealed, dividing structure used in engineering, construction, or vehicles. It can also refer to a retaining wall (e.g., against soil) or an upright partition used in the cargo area of certain vehicles.
Dialectal Variation
British vs American Usage
Differences
No significant difference in meaning or core usage. Spelling is identical. Both varieties use it in the same technical domains.
Connotations
Identical connotations of structural strength, safety, and compartmentalisation.
Frequency
Equally low-frequency in general English but equally standard in technical contexts in both varieties.
Grammar
How to Use “bulkhead” in a Sentence
The N [bulkhead] separates A from BA bulkhead is installed/fitted between X and YThe V [seal/strengthen] the bulkheadVocabulary
Collocations
Examples
Examples of “bulkhead” in a Sentence
verb
British English
- The engineers will bulkhead the forward compartment for added safety.
American English
- The design calls for the area to be bulkheaded to contain any potential fire.
adverb
British English
- [No standard adverbial form; term is almost exclusively a noun]
American English
- [No standard adverbial form; term is almost exclusively a noun]
adjective
British English
- The bulkhead construction must meet strict maritime regulations.
American English
- They installed a bulkhead door for access to the sealed section.
Usage
Meaning in Context
Business
Rare; might appear in contracts for shipbuilding, aviation, or construction.
Academic
Used in engineering, naval architecture, and aerospace textbooks and papers.
Everyday
Very rare. A layperson might encounter it in disaster films or documentaries about ships/planes.
Technical
The primary register. Standard term in marine engineering, aviation, automotive design, and civil engineering (for retaining walls).
Watch out
Common Mistakes When Using “bulkhead”
- Using it to mean a generic 'wall' in a house.
- Misspelling as 'bulk head' (should be one word).
- Pronouncing the 'l' as dark L incorrectly; it's a clear L /l/ before the /k/.
FAQ
Frequently Asked Questions
No, while its origin and most common use are in maritime contexts, it is standard terminology in aviation (aircraft fuselage), aerospace, automotive engineering (e.g., front bulkhead in cars), and civil engineering (retaining walls).
A bulkhead is specifically a strong, structural partition designed for a functional purpose like containing pressure, water, or fire. A 'wall' is a more general term for any vertical partition, often not load-bearing or sealed.
Yes, though less common. To 'bulkhead' means to fit or divide with a bulkhead. It is industry jargon rather than everyday language.
The etymology comes from Middle English 'bulk' meaning 'a partition' (not related to 'bulk' as size) + 'head'. Historically, it referred to the front partition in a ship's hold.
Bulkhead is usually technical/formal/industry-specific in register.
Bulkhead: in British English it is pronounced /ˈbʌlk.hɛd/, and in American English it is pronounced /ˈbʌlk.hɛd/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “[No common idioms; term is too technical]”
Learning
Memory Aids
Mnemonic
Think of a BULK of a man standing as a HEAD guard, forming a solid, impenetrable wall between two areas.
Conceptual Metaphor
A BULKHEAD IS A SHIELD (against danger, pressure, or elements).
Practice
Quiz
In which of the following contexts would the term 'bulkhead' be LEAST likely to be used?