Definition, Meaning & Synonyms

evolvent

noun

/ˈɛvəˌlɛnt/

Definition

A curve generated by a fixed point on a moving line that rolls without slipping on another curve.

Examples

The evolvent of a circle has properties that are crucial in the study of gears.
In architectural design, the use of evolvents can create smooth transitions between different surfaces.

Meaning

In geometry, an evolvent refers to a specific type of curve that is linked to the concept of rolling motion, particularly relating to how a line can trace out a path as it rolls along another curve.