Noun
The act of oscillating; a swinging or moving backward and forward, like a pendulum; vibration.
Fluctuation; variation; change back and forth.
Source: Webster's dictionaryLife is a constant oscillation between the sharp horns of dilemmas. H. L. Mencken
For under certain conditions the chemical atoms emit light waves of a specific length or oscillation frequency - their familiar characteristic spectra - and these can come in the form of electromagnetic waves only from accelerated electric quanta. Johannes Stark
Breathing involves a continual oscillation between exhaling and inhaling, offering ourselves to the world at one moment and drawing the world into ourselves at the next... David Abram
I know there are writers who like to say that every novel is hard, and it doesn't get easier. That may be the case, and I've only written two. But the first, to me, was characterized by an enduring oscillation between perseverance and a profound doubt. Rachel Kushner
She put her foot down on the oscillation pedal, she was a transdimensional speeder... ~ Terra Nova Cain. Steve Kilbey
a year constitutes a cycle of the seasons Source: Internet