sine wave


Definition of sine wave

: a waveform that represents periodic oscillations in which the amplitude of displacement at each point is proportional to the sine of the phase angle of the displacement and that is visualized as a sine curve : sine curve also : a wave so represented

Examples of sine wave in a Sentence

Recent Examples on the Web The inverter produces pure sine wave energy, which is clean power with less electrical noise. Jim Rossman, Dallas News, "This power station is ready when the power goes out," 17 Feb. 2021 That’s the heart of the metacrisis, a pulsing, elastic, exponential sine wave from Big Bang peak to Big Crunch trough. Adam Rogers, Wired, "WandaVision Brought the Multiverse to Marvel," 11 Feb. 2021 Typical generators have varying degrees of distortion in the sine wave of the alternating current. Bradley Ford, Popular Mechanics, "The Best Portable Generators to Keep Your Home Running," 9 Dec. 2020 The growsers have a very slight sine wave shape, four to five millimeters, but that adds an insane amount of rigidity. Ezra Dyer, Car and Driver, "Red Rover: Perseverance Is NASA's Next Car-Sized Emissary to Mars," 30 July 2020 If not, go with a pure sine wave inverter, which produces current similar to that available from a household outlet. The Editors, Field & Stream, "Three Things to Know Before You Buy a Power Inverter," 12 Sep. 2019 The result: on a flat map, the spacecraft would appear to be inscribing a sort of sine wave pattern, moving above and below the equator, never passing over precisely the same point on the ground on two consecutive orbits. Jeffrey Kluger, Time, "Why SpaceX's Historic Mission Needs to Wait Until Saturday for a Second Attempt," 28 May 2020 The inverter that powers the AC outlets on the Jackery produces pure sine wave power. Dallas News, "If you’re stuck at home, make sure you’re prepared if the power goes out," 9 Apr. 2020 As Sugarawa varied the laser's intensity over time in the shape of a sine wave, fluctuating at about 1,000 times a second, Fu picked up a distinct high-pitched tone. Wired, "Hackers Can Use Lasers to ‘Speak’ to Your Amazon Echo or Google Home," 4 Nov. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'sine wave.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of sine wave

1893, in the meaning defined above

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Time Traveler for sine wave

Time Traveler

The first known use of sine wave was in 1893

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Statistics for sine wave

Last Updated

24 Feb 2021

Cite this Entry

“Sine wave.” Dictionary, Merriam-Webster, Accessed 8 Mar. 2021.

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