Definition of Radius

Noun: radius (radii,radiuses)  rey-dee-us

1. The length of a line segment between the centre and circumference of a circle or sphere
   - r
    
2. A straight line from the centre to the perimeter of a circle (or from the centre to the surface of a sphere)
    
3. A circular region whose area is indicated by the length of its radius
   "they located it within a radius of 2 miles"
    
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
   - spoke, wheel spoke

See also:
radiums
radiuses

Anagrams containing the word radius

rsaudi sradiu usradi iusrad diusra adiusr