air force: meaning, definition, pronunciation and examples
B2Formal/Technical/News
Quick answer
What does “air force” mean?
The branch of a nation's armed forces responsible for aerial warfare, including the military aircraft, personnel, and infrastructure.
Audio
Pronunciation
Definition
Meaning and Definition
The branch of a nation's armed forces responsible for aerial warfare, including the military aircraft, personnel, and infrastructure.
May refer to the collective air power of a country or to specific units. Also used as a proper noun for specific national forces (e.g., Royal Air Force, United States Air Force).
Dialectal Variation
British vs American Usage
Differences
Capitalised when part of an official name (e.g., Royal Air Force, US Air Force). No significant usage differences, but specific sub-units and jargon may vary.
Connotations
Conveys military power, national defence, and technological advancement. In both varieties, it has strong institutional and official connotations.
Frequency
Equally common in both varieties in military, political, and news contexts.
Grammar
How to Use “air force” in a Sentence
The [NATIONALITY] air forceThe air force of [COUNTRY]serve in the air forcean air force [NOUN: base, pilot, officer]Vocabulary
Collocations
Examples
Examples of “air force” in a Sentence
adjective
British English
- The air-force personnel attended the briefing.
- They reviewed air-force procurement policy.
American English
- The Air Force veteran received an award.
- It was a key air-force initiative.
Usage
Meaning in Context
Business
Rare, except in defence industry contexts (e.g., 'The contract was awarded by the air force.').
Academic
Used in political science, history, and military studies (e.g., 'The doctrine of strategic bombing transformed the role of the air force.').
Everyday
Used in general news and conversation about military or national defence topics.
Technical
Core term in military jargon, with specific sub-terms like 'air force logistics', 'air force intelligence', 'tactical air force'.
Vocabulary
Synonyms of “air force”
Watch out
Common Mistakes When Using “air force”
- Using plural verb with collective noun (e.g., 'The air force are...' is less common; 'The air force is...' is standard).
- Omitting hyphens when used as a modifier before a noun (e.g., 'air-force base' is less common than 'air force base' as an open compound).
FAQ
Frequently Asked Questions
It is typically written as two separate words (an open compound noun), though hyphenation ('air-force') may be seen when used as a modifier in some style guides.
'Air force' as two words is the standard spelling. 'Airforce' as one word is non-standard and rarely used.
No, 'air force' is not used as a verb. Related actions would use verbs like 'fly', 'deploy', or 'mobilise'.
The official name is the 'Royal Air Force' (RAF). While 'British Air Force' would be understood, it is not the correct title and is rarely used.
The branch of a nation's armed forces responsible for aerial warfare, including the military aircraft, personnel, and infrastructure.
Air force is usually formal/technical/news in register.
Air force: in British English it is pronounced /ˈeə ˌfɔːs/, and in American English it is pronounced /ˈer ˌfɔːrs/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “Air Force One (specific to US presidential aircraft)”
- “blue-suiters (slang for US Air Force personnel)”
Learning
Memory Aids
Mnemonic
Think: The FORCE that fights in the AIR.
Conceptual Metaphor
THE MILITARY IS A BODY (e.g., 'the air arm of the military'), A NATION'S DEFENCE IS A SHIELD (with the air force as a protective dome).
Practice
Quiz
In which context is 'Air Force' typically capitalised?