- 1. n. pl. of Radius. Source: opted
- 2. pl. of Radius Source: opted
- 3. n the length of a line segment between the center and circumference of a circle or sphere n a straight line from the center to the perimeter of a circle (or from the center to the surface of a sphere) n a circular region whose area is indicated by the length of its radius n the outer and slightly shorter of the two bones of the human forearm n support consisting of a radial member of a wheel joining the hub to the rim Source: ecdict
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