undulator
/ˈʌndəleɪtər/Definitions
1. noun
A device that produces a magnetic field that varies in intensity to steer charged particles, such as electrons, in a circular path in a synchrotron or other particle accelerator.
“The scientists used an undulator to accelerate the electrons and create a precise beam of light.”
2. noun
A wave or oscillation that varies in intensity or direction, especially one that is repetitive and regular.
“The undulator pattern in the data revealed a clear trend in consumer behavior.”