ALL meanings of radii
ra·di·i
R r - noun plural radii Machinery Now Rare. the throw of an eccentric wheel or cam. 1
- noun plural radii a rounded corner or edge on a machined or cast piece of metal. 1
- noun plural radii Entomology. one of the principal longitudinal veins in the anterior portion of the wing of an insect. 1
- noun radii a plural of radius. 1
- noun plural radii 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. 1
- noun plural radii the length of such a line. 1
- noun plural radii any radial or radiating part. 1
- noun plural radii 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. 1
- noun plural radii a field or range of operation or influence. 1
- noun plural radii extent of possible operation, travel, etc., as under a single supply of fuel: the flying radius of an airplane. 1
- noun plural radii Anatomy. the bone of the forearm on the thumb side. Compare ulna (def 1). 1
- noun plural radii Zoology. a corresponding bone in the forelimb of other vertebrates. 1
- noun radii Radii is the plural of radius. 0
- abbreviation RADII radius 0