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.
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.