Hypertext Webster Gateway: "Sinusoid"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Sinusoid \Si"nus*oid\, n. [Sinus + -oid.] (Geom.)
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}.
From WordNet (r) 1.7 (wn)
sinusoid
n 1: tiny endothelium-lined passages for blood in the tissue of
an organ
2: the curve of y=sin x [syn: {sine curve}]
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