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    radius - Dictionary definition and meaning for word radius

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