- The definition of a sine curve is a graphic representation of the sine function.
An example of a sine curve is a drawing on a piece of graph paper that shows the equation y=sin x.
sine curve definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
a graphic representation of the sine function; specif., the graph of y = sin x, with x denoting radian measure of an angle periodically changing from 0° to 360°
sine curve definition by American Heritage Dictionary
The graph of the equation y = sin x. Also called sinusoid.
a graph of sine function;
y = sin