Definition:Departure

Definition

Let $\LL$ be a line of (terrestrial) latitude.

Let $\DD_1$ and $\DD_2$ be two meridians.

The departure of $\LL$ is the length of $\LL$ between the points where $\LL$ intersects $\DD_1$ and $\DD_2$.

Also see

• Results about departures can be found here.

Sources

• 1998: David Nelson: The Penguin Dictionary of Mathematics (2nd ed.) ... (previous) ... (next): departure
• 2008: David Nelson: The Penguin Dictionary of Mathematics (4th ed.) ... (previous) ... (next): departure