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 wiry undulations of the Slinky toy, for example, turn out to be good way of modeling sine waves. Paul Grimstad, The New Republic, "Can You Measure How Good a Song Is?," 21 June 2018 Each cycle, each little sine wave, is one-sixtieth of a second. David Roberts, Vox, "This technology could fundamentally change our relationship to electricity," 5 June 2018 More than two centuries ago, mathematicians developed a method called Fourier analysis for describing, for example, the vibrations of a guitar string as the combination of multiple sine waves. Kenneth Chang, New York Times, "Robert P. Langlands Is Awarded the Abel Prize, a Top Math Honor," 20 Mar. 2018 Fourier analysis tells us that complicated sound waves are built from sine waves of many different frequencies, like primary colors. Eugenia Cheng, WSJ, "What Makes One Voice Shrill, Another Sweet?," 11 Apr. 2018 Periodic functions are repeating patterns like the undulations of a sine wave in trigonometry. Kenneth Chang, New York Times, "Robert P. Langlands Is Awarded the Abel Prize, a Top Math Honor," 20 Mar. 2018 Soon, workers will tackle the main span, which is over 1,200 feet long and looks like a double sine wave assembled with an old Erector set. Joseph Berger, New York Times, "The End for the Tappan Zee Bridge Comes in Pieces, Not With a Boom," 25 Dec. 2017 In reality, all of the lines are sine waves all the way across. Sophie Weiner, Popular Mechanics, "This Incredible New Optical Illusion is Blowing Our Minds," 10 Dec. 2017 Viewed on a standard Mercator Projection map, our new Equator is a weird, wiggly sine wave that manages to pass north to Glacier National Park in Montana and south to Ayers Rock in central Australia. Ken Jennings, Condé Nast Traveler, "If the World Was Mapped Using the Manhattan Grid System," 30 Oct. 2017

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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The first known use of sine wave was in 1893

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