oscillator

noun

os·​cil·​la·​tor ˈä-sə-ˌlā-tər How to pronounce oscillator (audio)
1
: one that oscillates
2
: a device for producing alternating current
especially : a radio-frequency or audio-frequency generator

Examples of oscillator in a Sentence

Recent Examples on the Web
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The study introduces a novel method for controlling quantum harmonic oscillators — systems that mimic vibrating objects such as springs or pendulums at the subatomic level. Mrigakshi Dixit, Interesting Engineering, 1 May 2026 Here, two oscillators are running at close to but not identical frequencies. IEEE Spectrum, 30 Apr. 2026 These modes are referred to as a damped harmonic oscillator. Keith Cooper, Space.com, 15 Mar. 2026 Before the fretting reaches a head, one of Barbieri’s backing oscillators creeps forward into a nimble major-key ostinato that sounds like it was lifted from a Lorenzo Senni daydream, transforming a slight shift in timbre and time signature into a crescendo of new hope. Hattie Lindert, Pitchfork, 2 Mar. 2026 See All Example Sentences for oscillator

Word History

First Known Use

1798, in the meaning defined at sense 1

Time Traveler
The first known use of oscillator was in 1798

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Cite this Entry

“Oscillator.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/oscillator. Accessed 21 May. 2026.

Kids Definition

oscillator

noun
os·​cil·​la·​tor ˈäs-ə-ˌlāt-ər How to pronounce oscillator (audio)
1
: one that oscillates
2
: a device for producing alternating current
especially : a radio-frequency or audio-frequency generator

Medical Definition

oscillator

noun
os·​cil·​la·​tor ˈäs-ə-ˌlāt-ər How to pronounce oscillator (audio)
: a device or mechanism for producing or controlling oscillations
especially : one (as a radio-frequency generator) for producing an alternating current

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