n.
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
Idiom of the Day
on the warpath
very angry, looking for trouble
Our boss is on the warpath today so you should stay away from him.
