# Definition:Line/Curve

(Redirected from Definition:Curve)

## Definition

A curve is a line which is not straight.

More generally, it is a line whose straightness (or not) is either not relevant, not specified or unimportant.

Hence the word curve is used in certain branches of geometry to mean the same thing as line.

### Plane Curve

A plane curve is a curve which can be embedded in the plane.

## Also known as

The term curved line can often be seen.