# Definition:Cylinder/Height

< Definition:Cylinder(Redirected from Definition:Height of Cylinder)

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## Definition

The **height** of a cylinder is the length of a line segment drawn perpendicular to the base and its opposite plane.

In the above diagram, $h$ is the **height** of the cylinder $ACBDFE$.

## Also known as

Some sources refer to the **height** of a cylinder as its **altitude**.

However, on $\mathsf{Pr} \infty \mathsf{fWiki}$ we prefer to reserve the word **altitude** to mean the perpendicular line segment itself, and not its length.

## Also see

- Results about
**cylinders**can be found**here**.

## Sources

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