Definition:Ellipse/Minor Axis

Definition

 * EllipseParts.png

Consider an ellipse $K$ whose foci are $F_1$ and $F_2$.

The minor axis of $K$ is the line segment through the center of $K$ perpendicular to the major axis of $K$ such that its endpoints are the points of intersection with $K$.

In the above diagram, $C_1 C_2$ is the minor axis of $K$.

Also see

 * Definition:Major Axis of Ellipse