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Definitions from WordNet

Definitions from the Web

Semidiameter

Definition

The term semidiameter refers to the radius of a circle or sphere. In geometry, it is the distance from the center of a circle to any point on its circumference or the distance from the center of a sphere to any point on its surface.

It can also refer to a celestial term denoting the distance from the center of a celestial body to its edge or a point on its surface.

Usage Examples

Geometry

Noun:

1. The semidiameter of this circle is 5 centimeters.
2. Calculate the semidiameter of the given sphere.

Celestial Bodies

Noun:

1. The semidiameter of the Sun is approximately 696,000 kilometers.
2. Determine the semidiameter of the observed planet.

Possible related products on Amazon

• Geometry tools
• Celestial maps