Radii

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Mục lục 1 Noun 1.1 a pl. of radius. 2 Noun, plural -dii 2.1 a straight line extending from the center of a circle or sphere to the circumference or surface 2.2 the length of such a line. 2.3 any radial or radiating part. 2.4 a circular area having an extent determined by the length of the radius from a given or specified central point 2.5 a field or range of operation or influence. 2.6 extent of possible operation, travel, etc., as under a single supply of fuel 2.7 Anatomy . the bone of the forearm on the thumb side. Compare ulna ( def. 1 ) . 2.8 Zoology . a corresponding bone in the forelimb of other vertebrates. 2.9 Machinery Now Rare . the throw of an eccentric wheel or cam. 2.10 a rounded corner or edge on a machined or cast piece of metal. 2.11 Entomology . one of the principal longitudinal veins in the anterior portion of the wing of an insect.

Noun

a pl. of radius.

Noun, plural -dii

a straight line extending from the center of a circle or sphere to the circumference or surface

The radius of a circle is half the diameter.

the length of such a line.

any radial or radiating part.

a circular area having an extent determined by the length of the radius from a given or specified central point

every house within a radius of 50 miles.

a field or range of operation or influence.

extent of possible operation, travel, etc., as under a single supply of fuel

the flying radius of an airplane.

Anatomy . the bone of the forearm on the thumb side. Compare ulna ( def. 1 ) .

Zoology . a corresponding bone in the forelimb of other vertebrates.

Machinery Now Rare . the throw of an eccentric wheel or cam.

a rounded corner or edge on a machined or cast piece of metal.

Entomology . one of the principal longitudinal veins in the anterior portion of the wing of an insect.