sine curve

American  

noun

Mathematics.

1. a curve described by the equation y = sin x, the ordinate being equal to the sine of the abscissa.

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sine curve British  

noun

1. Also called: sinusoid.  a curve of the equation y = sin x

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Etymology

Origin of sine curve

First recorded in 1900–05

Example Sentences

I think there are a lot of parallels between narratives and calculus, how you can analyze a sine curve and plug it into the hero's journey.

From Salon • Dec. 17, 2021

I wish the quality of this book didn’t jiggle like a sine curve.

From New York Times • Mar. 1, 2017

A shifted sine curve arises naturally when graphing the number of hours of daylight in a given location as a function of the day of the year.

From Textbooks • Mar. 30, 2016

By that winter, the sine curve of Rajesh’s psyche had tightened in its frequency and gained in its amplitude.

From The New Yorker • Mar. 28, 2016

Out of the four large windows facing the water she can see the sine curve of the coastline, the serrated firs in the distance, the glittery amethyst sea.

From "Orphan Train" by Christina Baker Kline