| 释义 |
Noun: radius (radii,radiuses) reydeeus- The length of a line segment between the centre and circumference of a circle or sphere
- r - A straight line from the centre to the perimeter of a circle (or from the centre to the surface of a sphere)
- A circular region whose area is indicated by the length of its radius
"they located it within a radius of 2 miles" - The outer and slightly shorter of the two bones of the human forearm
- Support consisting of a radial member of a wheel joining the hub to the rim
- spoke, wheel spoke
Derived forms: radii, radiuses See also: radial Type of: arm bone, length, part, region, straight line, support Part of: bicycle wheel, cartwheel, diam, diameter, forearm, wagon wheel Encyclopedia: Radius |