(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

An oscillator that employs a piezoelectric resonator (crystal)

plural of Oudin oscillator

Synonym of Oudin coil

plural of pogo oscillation

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

plural of baryon acoustic oscillation

one of the regular periodic fluctuations in the density of the visible baryonic matter of the universe

(meteorology) The largest element of the intraseasonal variability in the tropical atmosphere: a large-scale coupling between atmospheric circulation and tropical deep convection, manifesting itself most clearly as anomalous rainfall.