Radius
nounverified·updated May 18, 2026
a straight line from the center to the perimeter of a circle (or from the center to the surface of a sphere)
Framework senses
- §1
- support consisting of a radial member of a wheel joining the hub to the rim
- §2
- the length of a line segment between the center and circumference of a circle or sphere
- §3
- the outer and slightly shorter of the two bones of the human forearm
- §4
- a circular region whose area is indicated by the length of its radius
- §5
- a straight line from the center to the perimeter of a circle (or from the center to the surface of a sphere)