Definition:Hyperbola/Major Axis

Parts of Hyperbola

 * HyperbolaParts.png

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

The major axis of $K$ is the straight line passing through both of the foci of $K$.

Also defined as
Many sources define the major axis of a hyperbola to be the same as the transverse axis, but it is considered at that it is more convenient for different names to define different concepts.

Also see

 * Definition:Minor Axis of Hyperbola