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dial out

B2 neutral inseparable both
In simple words

To call someone from a phone system by dialling an outside number, or to remove unwanted noise from a sound.

Literal meaning: To dial (a number) outward to an external destination.

Meanings

1 B1 neutral

To make an outbound call from a telephone or switchboard system to an external number.

"You need to press 9 before you can dial out on this office phone system."

Grammar: inseparable
2 C1 idiomatic neutral

(Audio engineering) To remove an unwanted frequency or noise from an audio signal by adjusting settings.

"The sound engineer dialled out the low-frequency hum before the show."

Grammar: separable
Usage notes

In telephony, 'dial out' means to place an outbound call, often from a PBX or office system requiring a prefix (e.g., dial 9 to dial out). In audio engineering, 'dial out' means to use equalisation to remove a frequency. Both senses are quite technical.

Commonly used with

prefix external line frequency noise number extension

Forms

Base
dial out
I/you/we/they
3rd person
dials out
he/she/it
Past simple
dialed out
yesterday
Past participle
dialed out
have + pp
-ing form
dialing out
continuous

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Synonyms

call out place a call ring out phone out

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