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  • noun

Synonyms for radius

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)

Related Words

a circular region whose area is indicated by the length of its radius

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the outer and slightly shorter of the two bones of the human forearm

Related Words

support consisting of a radial member of a wheel joining the hub to the rim

References in classic literature ?
The shaft was a mighty magnet, and when once a vessel came within the radius of its powerful attraction for the aluminum steel that enters so largely into the construction of all Barsoomian craft, no power on earth could prevent such an end as we had just witnessed.
His keen eyes scanned every bush and tree within the radius of his vision.
His vision was confined to a radius of a few hundred yards of ochre moss and dust-filled air.
Virginia was positive that her fusillade had frightened them into a hasty retreat, but again Sing discouraged any such idea when he pointed to the fact that another instant would have carried the prahu close to the Ithaca's side and out of the machine gun's radius of action.
During these days the boy rode Sir Mortimer abroad in many directions until he knew every bypath within a radius of fifty miles of Torn.
Horta passed beneath Tarzan--a few more steps and he would be within the radius of Numa's spring.
the moment when she will be crossing the zenith, which latter event will further diminish the entire distance by a length equal to the radius of the earth,
Consequently, at the moment of firing the visual radius applied to the moon will describe, with the vertical line of the place, an angle of sixty-four degrees.
Yes, my worthy friend; taking into consideration all the elements of the problem, the distance from the center of the earth to the center of the moon, of the radius of the earth, of its bulk, and of the bulk of the moon, I can tell exactly what ought to be the initiatory speed of the projectile, and that by a simple formula.
If a number of equal spheres be described with their centres placed in two parallel layers; with the centre of each sphere at the distance of radius x sqrt(2) or radius x 1.
bus route, and I doubt if many quieter spots exist within the four-mile radius.
Madame Levaille was a woman of business, known and respected within a radius of at least fifteen miles.
12, 2013 /PRNewswire/ -- Radius Global Solutions LLC (Radius) announced today that it has been issued US patent 8,606,245 for its Cell Manager Product.
OTCBB: SMEG) announced today that it has executed a letter of intent to acquire Radius WellCare Corporation.
Scott brings to the Radius board a wealth of experience in the financial services industry from his time with Visa and as President at Paypal.