English Reference

Word

AUX

Phoneticsaux

/ˈoʊ/

Definitions

01audio connector

B2 · Computing

n. the cable or port you use to connect your phone to a car or speaker to play music.

n. the auxiliary audio input or cable, typically a 3.5mm jack, used to interface a portable device with a larger sound system.

“Pass me the aux so I can play my new playlist for the drive.”

“The driver handed over the aux cable, allowing the passenger to take control of the audio for the remainder of the journey.”

Slang · Informal

Usage

Often used with the definite article as 'the aux' or in the phrase 'pass the aux'.

Teaching tip

While technically an abbreviation, in modern youth culture 'the aux' specifically implies the power to choose the music being played.

Synonyms

auxiliary portaudio jackinput

02auxiliary

C1 · Technical

adj. a short way to write 'auxiliary', meaning extra or helping.

adj. Abbreviation for auxiliary. Used to describe equipment, people, or systems providing additional support.

“Check the aux input on the back of the television.”

“The technician noted that the aux power supply was functioning within normal parameters during the stress test.”

Technical

Usage

Commonly found in technical manuals and on hardware labels.

Synonyms

Antonyms

This entry

Level
B2 · Upper Intermediate
Frequency
Frequent
Updated

Scan code

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English Reference