Oscillate

os′sil-lāt, v.i. to move backwards and forwards like a pendulum: to vary between certain limits.— n. Os′cillancy , a swinging condition.— adj. Os′cillāting .— n. Oscillā′tion , act of oscillating: a swinging like a pendulum: variation within limits.— adjs. Os′cillātive , having a tendency to vibrate; Os′cillātory , swinging: moving as a pendulum does. [L. oscillāre , -ātum , to swing— oscillum , a swing.]