## DIAMETER

### Diameter

In geometry, the**diameter**of a circle is any straight line segment that passes through the center of the circle and whose endpoints lie on the circle. It can be also defined as the longest chord of the circle. Both definitions are also valid for the diameter of a sphere. The word "diameter" is derived from Greek

*διάμετρος*, "diameter of a circle", from

*δια-*, "across, through" +

*μέτρον*, "measure". It is often abbreviated

**DIA**,

**dia**,

**d**, or

**⌀**.

*The above text is a snippet from Wikipedia: Diameter*

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### diameter

#### Noun

- Any straight line between two points on the circumference of a circle that passes through the centre/center of the circle.
- The length of such a line.
- The maximum distance between any two points in a metric space
- The maximum eccentricity over all vertices in a graph.

*The above text is a snippet from Wiktionary: diameter*

and as such is available under the Creative Commons Attribution/Share-Alike License.

and as such is available under the Creative Commons Attribution/Share-Alike License.