Meaning of OSCILLATOR in English

OSCILLATOR

any of various electronic devices that produce alternating electric current, commonly employing tuned circuits and amplifying components such as thermionic vacuum tubes. Oscillators used to generate high-frequency currents for carrier waves in radio broadcasting often are stabilized by coupling the electronic circuit with the vibrations of a piezoelectric crystal, usually quartz.

Britannica English vocabulary.      Английский словарь Британика.