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radius
 
Noun radius has 5 senses
  1. radius, r - the length of a line segment between the center and circumference of a circle or sphere
    --1 is a kind of length
    --1 is a part of diameter, diam
    --1 has particulars: semidiameter; radius of curvature
  2. radius - a straight line from the center to the perimeter of a circle (or from the center to the surface of a sphere)
    --2 is a kind of     straight line
  3. radius - a circular region whose area is indicated by the length of its radius; "they located it within a radius of 2 miles"
    --3 is a kind of     region, part
  4. radius - the outer and slightly shorter of the two bones of the human forearm
    --4 is a kind of     arm bone
    --4 is a part of forearm
  5. spoke, radius - support consisting of a radial member of a wheel joining the hub to the rim
    --5 is a kind of support
    --5 is a part of bicycle wheel; cartwheel; wagon wheel
radish plant radishes radison radisson raditi radium radium therapy radiuos radius radius of curvature radius vector radix radlett radness radoisotopes radom radome

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