Similar Words to Radius:
R
Spoke
Wheel Spoke
Definitions of Radius:
1. The length of a line segment between the center and circumference of a circle or sphere
2. A straight line from the center to the perimeter of a circle (or from the center to the surface of a sphere)
3. A circular region whose area is indicated by the length of its radius
4. The outer and slightly shorter of the two bones of the human forearm
5. Support consisting of a radial member of a wheel joining the hub to the rim