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nounthe length of a line segment between the center and circumference of a circle or sphere
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nounsupport consisting of a radial member of a wheel joining the hub to the rim
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"they located it within a radius of 2 miles"nouna circular region whose area is indicated by the length of its radius
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nouna straight line from the center to the perimeter of a circle (or from the center to the surface of a sphere)type of:
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nounthe outer and slightly shorter of the two bones of the human forearm
Definition that contains radius
- wrist a joint between the distal end of the radius and the proximal row of carpal bones
- radius a circular region whose area is indicated by the length of its radius
- spiral flying downward in a helical path with a large radius
- rad the unit of plane angle adopted under the Systeme International d'Unites; equal to the angle at the center of a circle subtended by an arc equal in length to the radius (approximately 57.295 degrees)
- radial relating to or near the radius
- radial relating to or moving along or having the direction of a radius
- radian the unit of plane angle adopted under the Systeme International d'Unites; equal to the angle at the center of a circle subtended by an arc equal in length to the radius (approximately 57.295 degrees)
- blu-82 a reliable and deadly 15,000-pound fragmentation bomb that explodes just above ground with a large radius; the largest conventional bomb in existence; used in Afghanistan
- keyhole saw a handsaw with a long narrow blade for cutting short radius curves; similar to a compass saw
- solar parallax the angle subtended by the mean equatorial radius of the Earth at a distance of one astronomical unit