oscillator
n.n. a device or system that produces a regular, repeating signal or movement. You often find these in radios, clocks, or computers to keep things running in time.
n. a device or system that produces a periodic, oscillating signal or motion. Often used in electronics to generate a specific frequency for communication or timing purposes.
The radio uses an oscillator to tune into different stations.
Engineers designed a high-precision oscillator to ensure the satellite's onboard computer remained synchronized with Earth.
In biological systems, the circadian oscillator regulates the internal clock of organisms, ensuring that physiological processes align with the daily cycle of light and darkness.
From oscillate + -or.
Etymology adapted from Wiktionary, available under CC BY-SA 4.0.
Last updated May 18, 2026