radius
(noun)
noun
1. the length of a line segment between the center and circumference of a circle or sphere
Definition categories: attribute, length
2. a straight line from the center to the perimeter of a circle (or from the center to the surface of a sphere)
Definition categories: shape
3. a circular region whose area is indicated by the length of its radius
- they located it within a radius of 2 miles
Definition categories: location, part, region
4. the outer and slightly shorter of the two bones of the human forearm
Definition categories: body
5. support consisting of a radial member of a wheel joining the hub to the rim
Similar word(s): spoke
Definition categories: man–made, support