oscillate

This doesn't mean their spin is completely fixed, however, and all tidally locked moons oscillate back and forth as they orbit.

In a cavity’s lowest mode, the radio waves’ electric field oscillates uniformly up and down along the cavity axis.

Hurricane Milton is currently expected to impact Florida on Wednesday, although experts acknowledge that its oscillating speeds make this somewhat uncertain.

While countries like ours may “oscillate a bit and become more or less democratic,” de Mesquita said, there has “never” in history been a mature democracy that has slid into authoritarianism, dictatorship or autocracy.

At the core of the film is the undeniable chemistry between Pitt and Clooney, which oscillates between camaraderie and competition.