In classical geometry, a radius (pl.: radii or radiuses) of a circle or sphere is any of the line segments from its center to its perimeter, and in more...

Remote Authentication Dial-In User Service (RADIUS) is a networking protocol that provides centralized authentication, authorization, and accounting (AAA)...

ellipsoid), the radius ranges from a maximum (equatorial radius, denoted a) of nearly 6,378 km (3,963 mi) to a minimum (polar radius, denoted b) of nearly...

The radius or radial bone (pl.: radii or radiuses) is one of the two large bones of the forearm, the other being the ulna. It extends from the lateral...

Group) Radius – dormant; folded into Lantern Entertainment Dimension Films – defunct; now as an in-name-only unit subsidiary Radius (stylized as RADiUS; formerly...

radius or the gravitational radius is a physical parameter in the Schwarzschild solution to Einstein's field equations that corresponds to the radius...

Solar radius is a unit of distance used to express the size of stars in astronomy relative to the Sun. The solar radius is usually defined as the radius to...

of atomic radius. Four widely used definitions of atomic radius are: Van der Waals radius, ionic radius, metallic radius and covalent radius. Typically...

Radius is a 2017 Canadian science fiction thriller film directed and written by Caroline Labrèche and Steeve Léonard. It stars Diego Klattenhoff, Charlotte...

Bend radius, which is measured to the inside curvature, is the minimum radius one can bend a pipe, tube, sheet, cable or hose without kinking it, damaging...

In mathematics, the radius of convergence of a power series is the radius of the largest disk at the center of the series in which the series converges...

A radius gauge, also known as a fillet gauge, is a tool used to measure the radius of an object. Radius gauges require a bright light behind the object...

The turning radius (alternatively, turning diameter or turning circle) of a vehicle defines the minimum dimension (typically the radius or diameter, respectively)...

The Bohr radius (⁠ a 0 {\displaystyle a_{0}} ⁠) is a physical constant, approximately equal to the most probable distance between the nucleus and the electron...

differential geometry, the radius of curvature, R, is the reciprocal of the curvature. For a curve, it equals the radius of the circular arc which best...

The radius of gyration or gyradius of a body about the axis of rotation is defined as the radial distance to a point which would have a moment of inertia...

the spectral radius of a square matrix is the maximum of the absolute values of its eigenvalues. More generally, the spectral radius of a bounded linear...

A blast radius is the distance from the source that will be affected when an explosion occurs. A blast radius is often associated with bombs, mines, explosive...

Look up Radius or radius in Wiktionary, the free dictionary. A radius is a straight line or distance from the center to the edge of a curve. Radius may also...

In applied sciences, the equivalent radius (or mean radius) is the radius of a circle or sphere with the same perimeter, area, or volume of a non-circular...

Radius of action, combat radius, or combat range in military terms, refers to the maximum distance a ship, aircraft, or vehicle can travel away from its...

Ionic radius, rion, is the radius of a monatomic ion in an ionic crystal structure. Although neither atoms nor ions have sharp boundaries, they are treated...

The Jupiter radius or Jovian radius (RJ or RJup) has a value of 71,492 km (44,423 mi), or 11.2 Earth radii (R🜨) (one Earth radius equals 0.08921 RJ)....

Radius Limited is a fleet and mobility solutions provider with a focus on software and technology headquartered in Crewe, Cheshire. established in 1990...

Radius Inc. was an American computer hardware firm founded in May 1986 by Burrell Smith, Mike Boich, Matt Carter, Alain Rossmann and joined by other members...

Radius Travel is a privately held global travel management company with headquarters in Washington, DC, USA. Radius designs and delivers travel programs...

The Stokes radius or Stokes–Einstein radius of a solute is the radius of a hard sphere that diffuses at the same rate as that solute. Named after George...

In an automobile's suspension system, the scrub radius is the distance in front view between the king pin axis and the center of the contact patch of the...

diatomic hydrogen (H2), with a bond length of 0.74 Å. Effective molecular radius is the size a molecule displays in solution. The table of permselectivity...

charge radius of a proton is about 0.84–0.87 fm (1 fm = 10−15 m). In 2019, two different studies, using different techniques, found this radius to be 0...