Oscillator sync is a feature in synthesizers. One oscillator will restart the period of another oscillator, so that they will have the same base frequency. The timbre can be altered on the synced oscillator, by varying its frequency input.
Example Usage of Oscillator
gamearticles: Review of Honeywell HZ-2302 Power Oscillator Electric Heater http://bit.ly/5S2WS6
HizzungFarLow: "How do you titillate an ocelot? Oscillate her tit a lot." Blame Stereolab's song Lo Boob Oscillator for reminding me of that joke.
MegaHertz604: @lady_alkro it involves measuring windspeed from parachutes. It's the DIldo Supporting Collapsable Oscillator Stick.