“Suppose we were to measure the surface of the earth very carefully, and then dig a hole to the center and measure the radius.”

“From the pillars of Hercules to the Hellespont, the whole basin of the Mediterranean lay within the radius of his power.”

“As a brattish youngster, I remember the unfeasible joy gained from making every payphone in a five-mile radius ring simultaneously.”

“Given an angle CAB draw a circle with centre A so that AC and AB are radii of the circle.”

“The radii of the given circles and n must stand in a certain relationship for the chain to close on itself.”

“To calculate a radius for each hospital's market area, we limited radii to a range between 10 and 35 miles.”

“When I needed new tires for my car, I asked the guy in the tire place if the tires I picked out were all weather radials.”

“In the 1970s, the company produced steel-belted radials that it knew had a tendency to separate.”

“Run-flat radials are making modest headway and four-season tires are earning their stripes in the high performance realm.”

“Company officials like to say that Rhino can go beyond high-school geometry, beyond straight lines and radiuses.”

“This enhances the driver's capability to operate in close quarters or in tight turning radiuses.”

“Those orbits, moreover, are constrained to have particular radiuses, and thus particular energy levels.”