Sinusoid

(definition) by Webster 1913 Wed Dec 22 1999 at 3:09:23

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.

 

© Webster 1913.

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