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RADIUS

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radius

1. a straight line joining the centre of a circle or sphere to any point on the circumference or surface
2. the length of this line, usually denoted by the symbol r
3. the distance from the centre of a regular polygon to a vertex (long radius) or the perpendicular distance to a side (short radius)
4. Anatomy the outer and slightly shorter of the two bones of the human forearm, extending from the elbow to the wrist
5. a corresponding bone in other vertebrates
6. any of the veins of an insect's wing
7. a group of ray florets, occurring in such plants as the daisy
8. the lateral displacement of a cam or eccentric wheel
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005

radius

[′rād·ē·əs]
(anatomy)
The outer of the two bones of the human forearm or of the corresponding part in vertebrates other than fish.
(mathematics)
A line segment joining the center and a point of a circle or sphere.
The length of such a line segment.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

RADIUS

Remote Authentication Dial-In User Service
This article is provided by FOLDOC - Free Online Dictionary of Computing (foldoc.org)

RADIUS

(Remote Authentication Dial-In User Service) An authentication, authorization and accounting (AAA) protocol developed by Livingston Enterprises (later acquired by Lucent). RADIUS uses a challenge/response method for authentication and has been widely used prior to Diameter. See Diameter, network access server and challenge/response.
Copyright © 1981-2025 by The Computer Language Company Inc. All Rights reserved. THIS DEFINITION IS FOR PERSONAL USE ONLY. All other reproduction is strictly prohibited without permission from the publisher.
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References in periodicals archive
Radius' employee base brings decades of experience in difficult-to-form processes and a track record of engineering and tooling solutions for its customers' most complex fabricating needs.
Radius placed 23rd in The Sunday Times HSBC Top Track 100 league table published in 2018, which ranks 100 private companies with the biggest sales.
"Dcs plus brings its industry recognised expertise, reputation, and know-how to the Radius Global Technology Program," continued Dinca.
Radius Bank is a community bank with assets of approximately USD 1.2 billion.
From this point with creation of a cortical window and use of appropriate guiding system for the distal buttress screws, three divergent screws were easily placed into the distal radius and the distal fracture fragment was firmly attached with fixed angle support.
Anyone wishing to support the Radius Family Christmas Appeal can leave donations of unwrapped toys and gifts for children of all ages and non-perishable foods for Christmas hampers at any Radius Housing Regional Office by Thursday 30 November: Head Office, 38 - 52 Lisburn Road, Belfast BT9 6AA; North Down Office, 3 Redburn Square, Holywood BT18 9HZ; North West Regional Office, 7 Racecourse Road, Derry BT48 7RB; Southern Regional Office, Ballybot House, 22 Cornmarket, Newry BT35 8BG; North East Regional Office, Deerfin Fold, Wakehurst Road, Ballymena BT423LJ or at any Radius Schemes and Folds across Northern Ireland.
Caption: Die Exit Radii Influence Extrudate Smoothness: On die exits with a large radius (bottom), polymer tends to follow the radius because of its adhesion to the wall, and then swells, when it should break away cleanly from the die face and move downstream.
Fracture of the metaphyseal region of the distal ulna is a much less common bony type of DRUJ injury that has been reported to occur concomitantly with fracture of the distal radius. (4) Similar to ulnar styloid fractures, fractures of the distal ulnar metaphysis can complicate the treatment of distal radius fractures, with the potential to cause instability, loss of forearm rotation, and posttraumatic DRUJ arthrosis.
Two schanz pins were passed proximally in the middle third radius between brachioradialis and ECRB and two distally in the 2nd metacarpal, for radiocarpal distraction.
Radiation radius (green): Slightly wider than the fireball radius.
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