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From Latin ōscillātus, perfect passive participle of Latin ōscillō (“swing”), from ōscillum (“a swing”), usually identified with ōscillum (“a little face or mask hung on a tree that sways with the wind”), diminutive of ōs (“mouth, face”).
- (intransitive) To swing back and forth, especially if with a regular rhythm.
- A pendulum oscillates slower as it gets longer.
- (intransitive) To vacillate between conflicting opinions, etc.
- The mood for change oscillated from day to day.
- (intransitive) To vary above and below a mean value.
to swing back and forth, especially if with a regular rhythm
- oscillate in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913.
- oscillate in The Century Dictionary, The Century Co., New York, 1911.
- oscillate at OneLook Dictionary Search