Definition of "oscillate"

oscillate

/ˈɑsɪleɪt/

verb
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.
2. (intransitive) To vacillate between conflicting opinions, etc.
3. (intransitive) To vary above and below a mean value.