tune verb

1 adjust an engine/a machine

ADV. permanently

PREP. to a laser that is permanently tuned to the correct frequency

PHRASES finely/highly tuned a finely tuned engine

2 adjust a television/radio

ADV. in Don't forget to tune in to our special election programme this evening.

PREP. for, to I tuned to the BBC for the late news.

PHRASES badly tuned He heard everything through a screen of interference, like on a badly tuned radio. | stay tuned Stay tuned for the news.