oscillator
Americannoun
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Electronics. a circuit that produces an alternating output current of a certain frequency determined by the characteristics of the circuit components.
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a device or machine producing oscillations.
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a person or thing that oscillates.
noun
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a circuit or instrument for producing an alternating current or voltage of a required frequency
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any instrument for producing oscillations
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a person or thing that oscillates
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.
One well-known example is the "cat state," where an oscillator exists as a superposition of two wave packets moving in opposite directions.
From Science Daily ● Jun. 15, 2026
Its internal state behaves like a qubit, while its motion acts as a quantum harmonic oscillator that can occupy many different motional states.
From Science Daily ● Jun. 15, 2026
The NYSE-based breadth oscillator is now on a sell signal, and the “stocks only” breadth oscillator could follow suit.
From MarketWatch ● Apr. 30, 2026
Combining the stochastic oscillator with support and resistance improves results.
From Barron's ● Apr. 10, 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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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.