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English definition of “tune”

tune

noun  /tun/ us  

tune noun (MUSICAL NOTES)

[C] a series of musical notes, esp. one that is pleasant and easy to remember; a melody: That’s a very pretty tune.

tune noun (CORRECT MUSICAL NOTES)

[U] the state of being adjusted to the correct pitch (= degree to which a musical note is high or low) : This piano is out of tune (= the notes are too high or low). Paul just can’t sing in tune (= with correctly produced notes).

tune

verb [T]  /tun/ us  

tune verb [T] (ADJUST INSTRUMENT)

to adjust a musical instrument so the sounds produced are the correct pitch (= degree to which the sound is high or low): Tune your guitar before you practice.

tune verb [T] (ADJUST SIGNAL)

to move the controls on a radio or television set so that it receives programs broadcast from a particular station: Tune your radio to 88.3 FM.

tune verb [T] (ADJUST ENGINE)

to change the setting of particular parts of an engine so that it works as well as possible: The engine needs tuning.
(Definition of tune from the Cambridge Academic Content Dictionary © Cambridge University Press)
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