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.
Even so, the “stocks only” breadth oscillator has closed above +200 for two consecutive days, and that means it has rolled over to a buy signal.
From MarketWatch ● Aug. 6, 2026
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
To accomplish the feat, the researchers adopted a laser architecture known as the Mamyshev oscillator, a design that had received relatively little attention in integrated photonics.
From Science Daily ● Jun. 4, 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
Malcolm Henderson, working on the cyclotron in the next room, was used to hearing the X-ray workers shout to make themselves heard over the thrum of the tube’s oscillator.
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.