Look up: relaxation

1. Relaxation
   [iterative method] In numerical mathematics, relaxation methods are iterative methods for solving systems of equations, including nonlinear systems. Relaxation methods were developed for solving large sparse linear systems, which arose as finite-difference discretizations of differential equ...
   Found on http://en.wikipedia.org/wiki/Relaxation_
   
   
2. Relaxation
   [approximation] In mathematical optimization and related fields, relaxation is a modeling strategy. A relaxation is an approximation of a difficult problem by a nearby problem that is easier to solve. A solution of the relaxed problem provides information about the original problem. For exam...
   Found on http://en.wikipedia.org/wiki/Relaxation_
   
   
3. Relaxation
   [NMR] In nuclear magnetic resonance (NMR) spectroscopy and magnetic resonance imaging (MRI) the term relaxation describes several processes by which nuclear magnetization prepared in a non-equilibrium state return to the equilibrium distribution. In other words, relaxation describes how fast...
   Found on http://en.wikipedia.org/wiki/Relaxation_
   
   
4. relaxation
   [n] - (physiology) the gradual lengthening of inactive muscle or muscle fibers 2. [n] - (physics) the exponential return of a system to equilibrium after a disturbance 3. [n] - an occurrence of control or strength weakening 4. [n] - a method of solving simultaneous equations by gu...
   Found on http://www.webdictionary.co.uk/definitio
   
   
5. Relaxation
   Rate of reduction of stress in a material due to creep. An alternate term is Stress Relaxation.
   Found on http://www.instron.co.uk/wa/resourcecent
   
   
6. Relaxation
   The loss of clamping force in a bolt which commonly occurs as a result of embedment. Can also be caused by gasket creep, differential temperature expansion or vibration loosening.
   Found on http://www.boltscience.com/pages/glossar
   
   
7. relaxation
   Passage of an excited or otherwise perturbed system towards or into thermal equilibrium with its environment. IUPAC PHOTOCHEMICAL GLOSSARY (1988). See also chemical relaxation.
   Found on http://www.chem.qmul.ac.uk/iupac/gtpoc/R
   
   
8. relaxation
   (Learning Modules / Psychology / Stress management) Involves tensing and relaxing each muscle group in turn to highlight the contrast between the feelings of each.
   Found on http://www.encyclo.co.uk/visitor-contrib
   
   
9. relaxation
   process of deriving one document from another by making the parameters describing it less restrictive Category: Automation (includes telecommunications and computers) • the tensile stress relaxation test consists of maintaining a test piece at uniform temperature subjecting it to constan...
   Found on http://www.mijnwoordenboek.nl/definition
   
   
10. Relaxation
    Relaxation techniques involve the mind as well as the body. Most include learning how to breathe deeply. Once awareness has been created about muscle tension, an individual can learn how to gradually allow it to melt away. Special relaxation audiocassettes can be used to help prepare for relaxation.
    Found on http://www.encyclo.co.uk/visitor-contrib
    
    
11. Relaxation
    Re`lax·a'tion noun [ Latin relaxatio ; confer French relaxation .] 1. The act or process of relaxing, or the state of being relaxed; as, relaxation of the muscles; relaxation of a law. 2. Remission from att...
    Found on http://www.encyclo.co.uk/webster/R/44
    
    
12. relaxation
    A state of relative freedom from both anxiety and skeletal muscle tension. ... (16 Dec 1997) ...
    Found on http://www.mondofacto.com/facts/dictiona
    
    
13. relaxation
    loosening noun an occurrence of control or strength weakening; `the relaxation of requirements`; `the loosening of his grip`; `the slackening of the wind`
    Found on http://wordnetweb.princeton.edu/perl/web
    
    
14. relaxation
    relaxation behavior noun (physics) the exponential return of a system to equilibrium after a disturbance
    Found on http://wordnetweb.princeton.edu/perl/web
    
    
15. relaxation
    noun a method of solving simultaneous equations by guessing a solution and then reducing the errors that result by successive approximations until all the errors are less than some specified amount
    Found on http://wordnetweb.princeton.edu/perl/web
    
    
16. Relaxation
    • (n.) The act or process of relaxing, or the state of being relaxed; as, relaxation of the muscles; relaxation of a law. • (n.) Remission from attention and effort; indulgence in recreation, diversion, or amusement.
    Found on http://thinkexist.com/dictionary/meaning
    
    
17. relaxation
    (from the article `sleep`) ...designation `sleep` would continue to be appropriate. The characteristic posture associated with sleep in humans and in many but not all other ... ...capable of inducing both stages of sleep. It also is argued that different varieties of sleep should require different mechanisms no more than do .....
    Found on http://www.britannica.com/eb/a-z/r/30
    
    
18. relaxation
    relaxation 1. A form of activity that provides a change and relief from effort, work, or tension, and that gives pleasure. 2. The process of becoming or of making something less firm, rigid, or tight.
    Found on http://www.wordinfo.info/words/index/inf
    
    
19. Relaxation
    P' is a relaxation of P if: (1) the feasible region of P' contains the feasible region of P, and (2) the objective value in P', say F(x), is no worse than that of P, say f(x), for all x in the domain of P (for maximization, this means F(x) >= f(x) for all x in X). Some of the most common are as follows: dropping integer restrictions (viz., we r...
    Found on http://glossary.computing.society.inform
    
    
20. Relaxation
    [physics] In the physical sciences, relaxation usually means the return of a perturbed system into equilibrium. Each relaxation process can be characterized by a relaxation time τ. The simplest theoretical description of relaxation as function of time t is an exponential law exp(-t/τ). ==R...
    Found on http://en.wikipedia.org/wiki/Relaxation_
    
    
21. Relaxation
    Relaxation stands quite generally for a release of tension, a return to equilibrium. In the sciences, the term is used in the following ways: In Physiology, Hypnotism, Meditation, Recreation: See also: ...
    Found on http://en.wikipedia.org/wiki/Relaxation
    
    
22. Relaxation
    Is a decrease in load or stress of a member under a sustained constant deformation.
    Found on http://www.areforum.org/up/GeneralStruct
    
    
23. relaxation
    The process of gravitational interaction in a cluster of stars or of galaxies, whereby a random distribution of motions (an equipartition of energy) is eventually established. The system is said to relax to a state of thermal equilibrium in a period known as the relaxation time. For a cluster of N s...
    Found on http://www.daviddarling.info/encyclopedi
    
    
24. relaxation
    Type: Term Pronunciation: rē′lak-sā′shŭn Definitions: 1. Loosening, lengthening, or lessening of tension in a muscle. 2. Loss of adequate muscle tone (pelvic relaxation episiotomy). 3. In nuclear magnetic resonance, relaxation is the decay in magnetization of protons after...
    Found on http://www.medilexicon.com/medicaldictio
    
    
25. Relaxation
    [psychology] In psychology, relaxation is the emotional state of low tension, in which there is an absence of arousal that could come from sources such as anger, anxiety, or fear. Relaxation is a form of mild ecstasy coming from the frontal lobe of the brain in which the backward cortex send...
    Found on http://en.wikipedia.org/wiki/Relaxation_