### ra·di·us

/ˈrādēəs/

noun

- a straight line from the center to the circumference of a circle or sphere.
- the thicker and shorter of the two bones in the human forearm.
- (in an echinoderm or coelenterate) any of the primary axes of radial symmetry.

verb

give a rounded form to (a corner or edge).

"Brian carefully radiused all the sharp edges and corners"

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The meaning of RADIUS is a line segment extending from the center of a circle or sphere to the circumference or bounding surface. How to use radius in a ...

a straight line extending from the center of a circle or sphere to the circumference or surface: The radius of a circle is half the diameter.

noun a straight line from the center to the perimeter of a circle (or from the center to the surface of a sphere)

(the length of) a straight line joining the center of a circle to its edge or the center of a sphere to its surface.

In classical geometry, a radius ( pl. : radii or radiuses) of a circle or sphere is any of the line segments from its center to its perimeter, and in more ...

1. a straight line extending from the center of a circle or sphere to the circumference or surface The radius of a circle is half the diameter.

Radius of a circle is the distance between center of circle and the point on circle. Radius is half of diameter, the longest chord of circle.

RADIUS meaning: 1 : a straight line from the center of a circle or sphere to any point on the outer edge; 2 : the length of this line.

Illustrated definition of Radius: The distance from the center to the circumference of a circle It is half of the circles...