Index of English words, starting with "os"

(1) - Oscillate (v. i.) To vary or fluctuate between fixed limits; to act or move in a fickle or fluctuating manner; to change repeatedly, back and forth.
(2) - Oscillate (v. i.) To move backward and forward; to vibrate like a pendulum; to swing; to sway.

(1) - Oscillation (n.) Fluctuation; variation; change back and forth.
(2) - Oscillation (n.) The act of oscillating; a swinging or moving backward and forward, like a pendulum; vibration.