Definitions of radius:
  • noun:   the length of a line segment between the center and circumference of a circle or sphere
  • noun:   the outer and slightly shorter of the two bones of the human forearm
  • noun:   a circular region whose area is indicated by the length of its radius
    Example: "They located it within a radius of 2 miles"
  • noun:   a straight line from the center to the perimeter of a circle (or from the center to the surface of a sphere)
  • noun:   support consisting of a radial member of a wheel joining the hub to the rim

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Book See radius used in context: 20 rhymes, several books and articles.

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