radius
n.
straight line drawn from the center of a circle to the circumference; one of the bones of the forearm
radius
Noun
1. the length of a line segment between the center and circumference of a circle or sphere
(synonym) r
(hypernym) length
(hyponym) semidiameter
(part-holonym) diameter, diam
2. a straight line from the center to the perimeter of a circle (or from the center to the surface of a sphere)
(hypernym) straight line
3. a circular region whose area is indicated by the length of its radius; "they located it within a radius of 2 miles"
(hypernym) region, part
4. the outer and slightly shorter of the two bones of the human forearm
(hypernym) arm bone
(part-holonym) forearm
5. support consisting of a radial member of a wheel joining the hub to the rim
(synonym) spoke
(hypernym) support
(part-holonym) bicycle wheel
Radiuses
(pl. )
of Radius
Webster's Revised Unabridged Dictionary (1913), edited by Noah Porter.
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RADIUSES
RAGGI. RADIO. RAGGI DI RUOTA. AMBITI. CAMPI