Definition of sine curve in US English:

sine curve

(also sine wave)


  • A curve representing periodic oscillations of constant amplitude as given by a sine function.

    Also called sinusoid
    • ‘In their less rigorous approach they were quite willing to be satisfied with approximations, such as the substitution of a sine wave for almost any curve connecting two points.’
    • ‘Fig.3 A shows the recovered trajectory for a bead moving in a sine wave of 1 m amplitude in the x direction.’
    • ‘The second way to read pulses differently is to read the pulse wave as a sine curve rather than a bell curve.’
    • ‘If there is a slight gradient of intensity, where the left edge is a little bit darker than the right edge, that may be represented by a sine wave with a very long wavelength.’
    • ‘Here, a very low-amplitude, high-frequency oscillation is superimposed on a sine curve.’


sine curve

/ˈsīn ˌkərv//ˈsaɪn ˌkərv/