radius   (Sound)

The noun radius has 5 senses

• radius, r -- (the length of a line segment between the center and circumference of a circle or sphere)


• radius -- (a straight line from the center to the perimeter of a circle (or from the center to the surface of a sphere))


• radius -- (a circular region whose area is indicated by the length of its radius; "they located it within a radius of 2 miles")


• radius -- (the outer and slightly shorter of the two bones of the human forearm)


• spoke, wheel spoke, radius -- (support consisting of a radial member of a wheel joining the hub to the rim)