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oscillate

/ˈɒs.ɪ.leɪt/
IELTSAcademic
verb

To move repeatedly back and forth between two points or positions. It can describe a physical movement, like a swinging motion, or a change between two states or opinions.

  • The fan blade oscillates quickly.
  • Her opinions oscillated between hope and doubt.
  • The needle oscillated around the center mark.

Adinary Nuance

Oscillate is more precise than move, swing, or shift when something keeps going back and forth. Use swing for a casual physical motion, and shift for a change in position or opinion. Oscillate sounds more technical and is common in science and academic writing.

In other languages

Vietnamese
dao động
Spanish
oscilar
Chinese
振荡
Japanese
振動する
Korean
진동하다

Etymology

From Latin oscillare, meaning "to swing," from oscillum, a small swing or hanging ornament. It entered English in the 17th century.

Common phrases

oscillate betweenoscillating motionoscillate rapidlyoscillate around

Synonyms

Related words

Frequently asked questions

Is oscillate a formal word?
Yes, it is fairly formal. It is common in science, engineering, and academic writing.
What is the difference between oscillate and fluctuate?
Oscillate means to move or change back and forth. Fluctuate usually means to rise and fall, often in amount or level.
Can oscillate describe opinions?
Yes. It can mean changing back and forth between two choices or views.
How do I use oscillate in a sentence?
Use it with between, around, or quickly. For example: "The value oscillated between 10 and 20."