Definition:Hyperbola/Covertex

Parts of Hyperbola

 * HyperbolaParts.png

Consider a hyperbola $K$ whose foci are $F_1$ and $F_2$.

Each of the endpoints of the conjugate axis of $K$ is known as a covertex of $K$.

In the above diagram, $C_1$ and $C_2$ are the covertices of $K$.

Also see

 * Definition:Vertex of Hyperbola

Linguistic Note
The plural of covertex is covertices.