Tending to oscillate; oscillatory.

An oscillating motion.

In an oscillative manner.

(physics) In solid-state physics, the oscillation of a particle (e.g. an electron) confined in a periodic potential when a constant force is acting on it.

plural of Bloch oscillation

The atmospheric component of El Niño; an oscillation in surface air pressure between the tropical eastern and the western Pacific Ocean waters.

(astronautics) A dangerous oscillation in the fuel or structure of a rocket along the long axis induced by a surge in thrust.

plural of pogo oscillation

A quasiperiodic oscillation of the equatorial zonal wind between easterlies and westerlies in the tropical stratosphere

(meteorology) The difference in pressure between the Azores High and the Icelandic Low, which changes periodically and controls the strength of the Westerlies. Usually abbreviated NAO.