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oscillator

American  
[os-uh-ley-ter] / ˈɒs əˌleɪ tər /

noun

  1. Electronics. a circuit that produces an alternating output current of a certain frequency determined by the characteristics of the circuit components.

  2. a device or machine producing oscillations.

  3. a person or thing that oscillates.


oscillator British  
/ ˈɒsɪˌleɪtə /

noun

  1. a circuit or instrument for producing an alternating current or voltage of a required frequency

  2. any instrument for producing oscillations

  3. a person or thing that oscillates

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of oscillator

1825–35; < New Latin, equivalent to Latin oscillā ( re ) to swing ( see oscillate) + -tor -tor

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The Mamyshev oscillator, however, is far less susceptible to these problems, making it particularly well suited for integrated photonic devices.

From Science Daily • Jun. 4, 2026

As it gradually weakened, the time crystal interacted with a nearby mechanical oscillator.

From Science Daily • May 5, 2026

Combining the stochastic oscillator with support and resistance improves results.

From Barron's • Apr. 10, 2026

Meanwhile, the NYSE-based breadth oscillator has remained on a sell signal.

From MarketWatch • Jan. 8, 2026

The phenomenon by which protons keep time with the oscillator even as they accelerate came to be known as “resonance.”

From "Big Science" by Michael Hiltzik

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