- Radius (disambiguation)
A

radius is a straight line from the center to the boundary of a geometric object, especially a circle, sphere, or disk.**Radius**may also refer to:* Any of several concepts closely related to the above, including

**Radius of curvature , a measure of curvature in advanced mathematics

*** Radius, a measure of the curvature of a stringed instrument'sfingerboard

**Bend radius orminimum bend radius , the minimum radius one can bend a pipe, tube, sheet, cable or hose without damage

** distance from a point to the center of apolar coordinate system in 2D

** distance from a point to the center of aspherical coordinate system in 3D

** distance from a point to the z-axis of acylindrical coordinate system in 3D

*Radius (bone) , one of the two bones in a forearm

*RADIUS , a network authentication protocol

*Radius (Chrono Cross) , a character from the role playing game Chrono Cross

*Radius (computer) , a computer hardware firm

*Radius (music ensemble) , a musical ensemble specialising in the performance of contemporary classical music**See also***

Bend radius

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**Radius of curvature**— may refer to: Radius of curvature (mathematics) Radius of curvature (optics) Radius of curvature (applications), in geodesy and materials science The reciprocal of the curvature, in differential geometry Radius, for a sphere (lingo) The radius of … Wikipedia**Radius**— For other uses, see Radius (disambiguation). Circle illustration In classical geometry, a radius of a circle or sphere is any line segment from its center to its perimeter. By extension, the radius of a circle or sphere is the length of any such… … Wikipedia**Molière radius**— For other uses, see Molière (disambiguation). The Molière radius is a characteristic constant of a material giving the scale of the transverse dimension of the fully contained electromagnetic showers initiated by an incident high energy electron… … Wikipedia**Molière (disambiguation)**— Molière may refer to: Molière (1622 1673), French playwright Marinus Jan Granpré Molière (1883 1972), Dutch architect Léonce Perret Jean Paul Belmondo Molière (1978 film), directed by Ariane Mnouchkine Molière (2007 film), directed by Laurent… … Wikipedia**Covalent (disambiguation)**— Covalent may refer to: Covalent bond, a type of chemical bond Covalent radius, half the distance between two covalently bonded atoms Covalent modulation, the alteration of protein structure by covalent bonding This disambiguation page lists… … Wikipedia**Tar (disambiguation)**— Tar may refer to:* Tar, a viscous organic black liquid * Tar (tobacco residue), the partially combusted particulate matter produced by smoking * Tar (band), a 90s indie rock band * Tar (drum), a drum from North Africa and the Middle East * tar… … Wikipedia**Rada (disambiguation)**— Rada is a council in several Slavic countries.Rada may also refer to one of the following: *Royal Academy of Dramatic Art *Rada, West Virginia *Rada Manufacturing, a United States based manufacturer of inexpensive cutlery *Rada loa, the name for… … Wikipedia**Annular ligament (disambiguation)**— Annular ligament ( la. ligamentum annularis) means shaped like a ring and may refer to:* Annular ligament of the radius * Annular ligament of femur * Annular ligaments of fingers * Annular stapedial ligament * Annular ligaments of toes … Wikipedia**Torus (disambiguation)**— Torus or tori may refer to:In mathematics:* Torus a surface * Torus knot * Algebraic torus * Double torus * Umbilic torusIn medicine:* Torus palatinus a bony growth on the palate * Torus mandibularis a bony growth on the mandible * Torus fracture … Wikipedia**Ray**— *Batoidea (Rays, skates and sawfish), a superorder of cartilaginous fishes **Rajiformes, True rays and skates*Radiation *Ray (optics), idealized narrow beam of light *Ray, or half line, in geometry or physics *Radius, which takes its name from… … Wikipedia