| sinusoidal | <geometry> Of or pertaining to a sinusoid; like a sinusoid. Source: Websters Dictionary (01 Mar 1998) |
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| sinusoidal capillary | <geometry> The curve whose ordinates are proportional to the sines of the abscissas, the equation of the curve being y = a sin x. It is also called the curve of sines. Origin: Sinus. Source: Websters Dictionary (01 Mar 1998) |