sine curve

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

Origin:
1900–05

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World English Dictionary
sine curve
 
n
Also called: sinusoid a curve of the equation y = sin x

Collins English Dictionary - Complete & Unabridged 10th Edition
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Example sentences
Thus the general size vs sorting trend is a distorted sine curve of two cycles.
The sine curve may be descending, but there are loopholes in it nonetheless.
There on the screen, a continuous sine curve pulsed, and a new era began.
Population trends are not straight line, but closer to a sine curve.
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