aileron: meaning, definition, pronunciation and examples
C1/C2Technical / Aviation
Quick answer
What does “aileron” mean?
A hinged control surface on the trailing edge of an aircraft wing, used to control roll (banking).
Audio
Pronunciation
Definition
Meaning and Definition
A hinged control surface on the trailing edge of an aircraft wing, used to control roll (banking).
In broader technical contexts, any small stabilizing or control wing on a vehicle or object, such as on a race car or missile. In cycling, a type of aerodynamic handlebar extension.
Dialectal Variation
British vs American Usage
Differences
No significant differences in meaning or usage. Both use the same spelling.
Connotations
Technical, precise. Carries the same professional connotation in both varieties.
Frequency
Equally rare in everyday speech in both UK and US. Used exclusively in aviation, aerospace, and related technical fields.
Grammar
How to Use “aileron” in a Sentence
The [AIRCRAFT] + [VERB] + the aileron + [PREP] + [DIRECTION].The pilot + [VERB] + the aileron + [ADVERB].[DAMAGE/MALFUNCTION] + occurred + in/to + the aileron.Vocabulary
Collocations
Examples
Examples of “aileron” in a Sentence
verb
American English
- (Not applicable)
adverb
British English
- (Not applicable)
American English
- (Not applicable)
adjective
British English
- The aileron mechanism was serviced.
- Aileron authority is crucial for manoeuvrability.
American English
- The aileron actuator failed.
- Aileron response was sluggish.
Usage
Meaning in Context
Business
Rare, except in aerospace manufacturing, airline operations, or aircraft leasing.
Academic
Used in aeronautical engineering, physics of flight, and aviation history contexts.
Everyday
Virtually never used in casual conversation.
Technical
Core term in aviation, aerodynamics, aerospace engineering, and flight simulation.
Vocabulary
Synonyms of “aileron”
Strong
Neutral
Weak
Vocabulary
Antonyms of “aileron”
Watch out
Common Mistakes When Using “aileron”
- Misspelling as 'alieron' or 'ailerion'.
- Confusing ailerons with flaps (which extend for lift, not roll).
- Pronouncing it /aɪˈlɛr.ən/ (eye-ler-on) instead of /ˈeɪ.lə.rɒn/ (ay-luh-ron).
FAQ
Frequently Asked Questions
Rarely. Its primary meaning is aviation. It can refer to similar control surfaces on missiles or aerodynamic fins on cars, and is also the name for a type of triathlon handlebar.
Ailerons are on the wing's outer trailing edge and move differentially (one up, one down) to roll the aircraft. Flaps are on the inner trailing edge and extend symmetrically downwards to increase lift and drag, mainly for takeoff and landing.
The standard pronunciation is AY-luh-ron (/ˈeɪ.lə.rɒn/ in UK, /ˈeɪ.lə.rɑːn/ in US). The first syllable rhymes with 'day', not 'eye'.
It comes directly from French, where 'aile' means 'wing', and the suffix '-eron' denotes a small or diminutive part. So, it literally means 'little wing'.
A hinged control surface on the trailing edge of an aircraft wing, used to control roll (banking).
Aileron is usually technical / aviation in register.
Phrases
Idioms & Phrases
- “[No common idioms for this technical term]”
Learning
Memory Aids
Mnemonic
Think: 'AILERON' sounds like 'AIL-ing' (having trouble) + 'RON' (a person). Imagine 'Ron' using the aileron to fix the plane's ailment (rolling).
Conceptual Metaphor
THE AILERON IS A HAND ON THE WING TIP (it 'pushes' one wing up and the other down to roll the aircraft).
Practice
Quiz
What is the primary function of an aileron?