Definition:Meridian Section

Definition

Let $S$ be a surface of revolution.

A meridian section of $S$ is a plane section of $S$ that contains the axis of revolution of $S$.

Examples

Paraboloid

Let $\SS$ be a paraboloid of revolution.

Let $\PP$ be a meridian section of $\SS$.

Then $\PP$ is a parabola.

Also see

• Results about meridian sections can be found here.

Sources

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