oscillator

/ˈɑsəleɪtər/
noun
  1. A device or system that produces a regular back-and-forth motion or signal.
    • The electronic oscillator creates the sound in a synthesizer.
    • The engineer adjusted the oscillator to change the frequency of the radio wave.
    • A quartz oscillator helps keep the clock accurate.
  2. A person or thing that oscillates (moves back and forth or changes regularly).
    • The economy can be seen as an oscillator between growth and recession.
    • In the experiment, the mass on the spring acted as a simple oscillator.
    • The pendulum is a classic oscillator used in timekeeping.
Synonyms
What does "oscillator" mean? | whatsthatwordmean | whatsthatwordmean