SynonymDefinitionAntonym.com - English Synonym Dictionary

Support consisting of a radial member of a wheel joining the hub to the rim

The length of a line segment between the center and circumference of a circle or sphere

The outer and slightly shorter of the two bones of the human forearm

A circular region whose area is indicated by the length of its radius

A straight line from the center to the perimeter of a circle (or from the center to the surface of a sphere)