Definition of 'radius'

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Definitions of 'radius'

1. (noun) radius, r
the length of a line segment between the center and circumference of a circle or sphere

2. (noun) radius
a straight line from the center to the perimeter of a circle (or from the center to the surface of a sphere)

3. (noun) radius
a circular region whose area is indicated by the length of its radius
"they located it within a radius of 2 miles"

4. (noun) radius
the outer and slightly shorter of the two bones of the human forearm

5. (noun) spoke, wheel spoke, radius
support consisting of a radial member of a wheel joining the hub to the rim

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"radius." Definitions.net. STANDS4 LLC, 2009. 4 July. 2009. http://www.definitions.net/definition/radius

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