air duct: meaning, definition, pronunciation and examples
C1Technical / Semi-technical
Quick answer
What does “air duct” mean?
A passage or tube designed to carry air from one place to another, typically as part of a heating, ventilation, or air conditioning system.
Audio
Pronunciation
Definition
Meaning and Definition
A passage or tube designed to carry air from one place to another, typically as part of a heating, ventilation, or air conditioning system.
Any enclosed conduit through which air flows, including those in buildings, vehicles, machinery, or even biological systems (by analogy).
Dialectal Variation
British vs American Usage
Differences
No significant lexical difference. 'Ductwork' is the more common collective term in both varieties, though 'air duct' is perfectly standard.
Connotations
Neutral technical term in both. Slightly more likely to be used by HVAC professionals in the US, where residential central air is more common.
Frequency
Slightly higher frequency in American English due to the prevalence of forced-air heating and cooling systems in homes.
Grammar
How to Use “air duct” in a Sentence
[Verb] the air duct: clean/install/block/insulate/seal the air duct[Adjective] air duct: main/flexible/clogged air ductair duct [Verb]: The air duct carries/transports/channels/leads the air.Vocabulary
Collocations
Examples
Examples of “air duct” in a Sentence
verb
British English
- The system was designed to air-duct the heat from the boiler to each radiator.
- We need to air-duct the fumes directly outside.
American English
- The plan is to air-duct the cooling directly to the server racks.
- They had to air-duct the workshop for proper ventilation.
adjective
British English
- The air-duct cleaning service arrived promptly.
- We're replacing the old air-duct system.
American English
- Check the air-duct insulation for any tears.
- There was an air-duct vibration issue.
Usage
Meaning in Context
Business
The office refurbishment requires replacing all the old air ducts to improve energy efficiency.
Academic
The study measured particulate accumulation within residential air ducts over a five-year period.
Everyday
We think there's a mouse in the air duct because we can hear scratching noises.
Technical
The laminar flow within the primary air duct was disrupted by the improperly installed damper.
Vocabulary
Synonyms of “air duct”
Strong
Neutral
Weak
Vocabulary
Antonyms of “air duct”
Watch out
Common Mistakes When Using “air duct”
- Misspelling as 'air duck'.
- Using 'air pipe' in formal/technical writing where 'duct' (often rectangular) is correct.
- Confusing 'air duct' (for supply/return air) with 'exhaust duct' or 'chimney flue'.
FAQ
Frequently Asked Questions
No. The air duct is the tube or passage itself. The 'vent' or 'grille' is the covering or opening at the end of the duct where air enters or exits a room.
There's no universal rule, but experts often recommend inspection every 2-3 years and cleaning if there is visible mould, vermin infestation, or excessive dust/debris impacting airflow or air quality.
Simple vent covers can be vacuumed. However, professional cleaning is advised for the ductwork itself, as it requires specialised tools to effectively dislodge and remove debris throughout the system without damaging it.
Common materials include sheet metal (galvanised steel, aluminium), flexible plastic or metal tubing, and fibreglass board. The choice depends on cost, application (e.g., fire rating), and required air pressure.
A passage or tube designed to carry air from one place to another, typically as part of a heating, ventilation, or air conditioning system.
Air duct is usually technical / semi-technical in register.
Air duct: in British English it is pronounced /ˈeə dʌkt/, and in American English it is pronounced /ˈer dʌkt/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “(to be) in the air ducts (figurative: to be hidden within a building's infrastructure, e.g., in a spy thriller)”
Learning
Memory Aids
Mnemonic
Think of a DUCT as a tube that DUCTs (conducts) AIR from one place to another. AIR DUCT = AIR + DUCT (air conductor).
Conceptual Metaphor
ARTERIES/VEINS OF A BUILDING (channels carrying essential life-giving/regulating substance).
Practice
Quiz
What is the primary function of an air duct?