VS.

Diameter vs. Radius

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Diameternoun

(geometry) Any straight line between two points on the circumference of a circle that passes through the centre/center of the circle.

Radiusnoun

(anatomy) The long bone in the forearm, on the side of the thumb.

Diameternoun

(geometry) The length of such a line.

Radiusnoun

(zoology) The lighter bone (or fused portion of bone) in the forelimb of an animal.

Diameternoun

(geometry) The maximum distance between any two points in a metric space

Radiusnoun

(entomology) One of the major veins of the insect wing, between the subcosta and the media

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Diameternoun

(graph theory) The maximum eccentricity over all vertices in a graph.

Radiusnoun

(geometry) A line segment between any point of a circle or sphere and its center.

Diameternoun

Any right line passing through the center of a figure or body, as a circle, conic section, sphere, cube, etc., and terminated by the opposite boundaries; a straight line which bisects a system of parallel chords drawn in a curve.

Radiusnoun

(geometry) The length of this line segment.

Diameternoun

The length of a straight line through the center of an object from side to side; width; thickness; as, the diameter of a tree or rock.

Radiusnoun

Anything resembling a radius, such as the spoke of a wheel, the movable arm of a sextant, or one of the radiating lines of a spider's web.

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Diameternoun

The distance through the lower part of the shaft of a column, used as a standard measure for all parts of the order. See Module.

Radiusnoun

A right line drawn or extending from the center of a circle to the periphery; the semidiameter of a circle or sphere.

Diameternoun

the length of a straight line passing through the center of a circle and connecting two points on the circumference

Radiusnoun

The preaxial bone of the forearm, or brachium, corresponding to the tibia of the hind limb. See Illust. of Artiodactyla.

Diameternoun

a straight line connecting the center of a circle with two points on its perimeter (or the center of a sphere with two points on its surface)

Radiusnoun

A ray, or outer floret, of the capitulum of such plants as the sunflower and the daisy. See Ray, 2.

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Diameter

In geometry, a diameter of a circle is any straight line segment that passes through the center of the circle and whose endpoints lie on the circle. It can also be defined as the longest chord of the circle.

Radiusnoun

The barbs of a perfect feather.

Radiusnoun

The movable limb of a sextant or other angular instrument.

Radiusnoun

the length of a line segment between the center and circumference of a circle or sphere

Radiusnoun

a straight line from the center to the perimeter of a circle (or from the center to the surface of a sphere)

Radiusnoun

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

‘they located it within a radius of 2 miles’;

Radiusnoun

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

Radiusnoun

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

Radius

In classical geometry, a radius of a circle or sphere is any of the line segments from its center to its perimeter, and in more modern usage, it is also their length. The name comes from the Latin radius, meaning ray but also the spoke of a chariot wheel.

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