'Sinusoid' definitions:
Definition of 'sinusoid'
From: WordNet
noun
Tiny endothelium-lined passages for blood in the tissue of an organ
noun
The curve of y=sin x [syn: sine curve, sinusoid]
Definition of 'Sinusoid'
From: GCIDE
- 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. [1913 Webster]