Radius - definition, pronunciation, transcription
Amer.
|ˈreɪdɪəs|
Brit.
|ˈreɪdɪəs|
noun
- the length of a line segment between the center and circumference of a circle or sphere
- a straight line from the center to the perimeter of a circle (or from the center to the surface of a sphere)
- a circular region whose area is indicated by the length of its radius
- support consisting of a radial member of a wheel joining the hub to the rim (syn: spoke)
- a straight line from the center to the perimeter of a circle (or from the center 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 (syn: spoke)
Extra examples
Measure the radius of the circle.
The new museum is expected to draw people from a wide radius.
There are three restaurants within a one-block radius of our apartment.
The shock of the explosion was felt over a radius of forty miles.
There are more than a dozen golf courses within a 15-mile radius of St Andrews.
Within a five mile radius of Ollerton there are several pubs and restaurants.
The radius might be increased a millionfold.
Word forms
noun
singular: radius
plural: radii or radiuses
singular: radius
plural: radii or radiuses
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