oscillate

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”).

• (US) IPA^(key): /ˈɑsɪleɪt/

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oscillate (third-person singular simple present oscillates, present participle oscillating, simple past and past participle oscillated)

1. (intransitive) To swing back and forth, especially if with a regular rhythm.

   A pendulum oscillates slower as it gets longer.

2. (intransitive) To vacillate between conflicting opinions, etc.

   The mood for change oscillated from day to day.

3. (intransitive) To vary above and below a mean value.

• vacillate

• oscillator

• oscillation

• undulate

• oscillate in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913
• oscillate in The Century Dictionary, New York, N.Y.: The Century Co., 1911
• oscillate at OneLook Dictionary Search

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oscillate

1. inflection of oscillare:
   1. second-person plural present indicative
   2. second-person plural imperative

oscillate f pl

1. feminine plural of oscillato

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