Thanks for using this online dictionary, we have been helping millions of people improve their use of the english language with its free online services. English definition of radii is as below...

Sector :: Sector (n.) A part of a circle comprehended between two radii and the included arc.

Hyporadii :: Hyporadii (pl. ) of Hyporadiu.

Radial :: Radial (a.) Of or pertaining to a radius or ray; consisting of, or like, radii or rays; radiated; as, (Bot.) radial projections; (Zool.) radial vessels or canals; (Anat.) the radial artery..

Radii :: Radii (pl. ) of Radiu.

Paramere :: Paramere (n.) One of the symmetrical halves of any one of the radii, or spheromeres, of a radiate animal, as a starfish..

Ray :: Ray (n.) One of a number of lines or parts diverging from a common point or center, like the radii of a circle; as, a star of six rays..

Wheel :: Wheel (n.) A circular frame turning about an axis; a rotating disk, whether solid, or a frame composed of an outer rim, spokes or radii, and a central hub or nave, in which is inserted the axle, -- used for supporting and conveying vehicles, in machinery, and for various purposes; as, the wheel of a wagon, of a locomotive, of a mill, of a watch, etc..

Perradial :: Perradial (a.) Situated around the radii, or radial tubes, of a radiate..

Radiated :: Radiated (a.) Formed of, or arranged like, rays or radii; having parts or markings diverging, like radii, from a common center or axis; as, a radiated structure; a radiated group of crystals..

Radioli :: Radioli (n. pl.) The barbs of the radii of a feather; barbules.

Radii :: Radii (n.) pl. of Radius.

Arch :: Arch (n.) Usually a curved member made up of separate wedge-shaped solids, with the joints between them disposed in the direction of the radii of the curve; used to support the wall or other weight above an opening. In this sense arches are segmental, round (i. e., semicircular), or pointed..

Interradial :: Interradial (a.) Between the radii, or rays; -- in zoology, said of certain parts of radiate animals; as, the interradial plates of a starfish..

Natural :: Natural (a.) Belonging to, to be taken in, or referred to, some system, in which the base is 1; -- said or certain functions or numbers; as, natural numbers, those commencing at 1; natural sines, cosines, etc., those taken in arcs whose radii are 1..

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