Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun radius

5 senses of radius

Sense 1
radius, r -- (the length of a line segment between the center and circumference of a circle or sphere)
       => length -- (the linear extent in space from one end to the other; the longest dimension of something that is fixed in place; "the length of the table was 5 feet")

Sense 2
radius -- (a straight line from the center to the perimeter of a circle (or from the center to the surface of a sphere))
       => straight line -- (a line traced by a point traveling in a constant direction; a line of zero curvature; "the shortest distance between two points is a straight line")

Sense 3
radius -- (a circular region whose area is indicated by the length of its radius; "they located it within a radius of 2 miles")
       => region, part -- (the extended spatial location of something; "the farming regions of France"; "religions in all parts of the world"; "regions of outer space")

Sense 4
radius -- (the outer and slightly shorter of the two bones of the human forearm)
       => arm bone -- (a bone in the arm)

Sense 5
spoke, wheel spoke, radius -- (support consisting of a radial member of a wheel joining the hub to the rim)
       => support -- (any device that bears the weight of another thing; "there was no place to attach supports for a shelf")