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relaxation

[ree-lak-sey-shuh n] /ˌri lækˈseɪ ʃən/
noun
1.
abatement or relief from bodily or mental work, effort, application, etc.
2.
an activity or recreation that provides such relief; diversion; entertainment.
3.
a loosening or slackening.
4.
diminution or remission of strictness or severity.
5.
Mathematics. a numerical procedure for solving systems of equations by successive approximations of the variables.
6.
Physics.
  1. the return of a system undergoing dissipation to an initial state of equilibrium after being displaced from it.
  2. the approach to steady-state operation of a system that has undergone dissipation and a change in state or has been subjected to an abrupt periodic disturbance.
Origin
late Middle English
1375-1425
1375-1425; late Middle English < Latin relaxātiōn- (stem of relaxātiō), equivalent to relaxāt(us) (past participle of relaxāre to relax; see -ate1) + -iōn- -ion
Related forms
nonrelaxation, noun
Synonyms
2. fun, amusement, pleasure.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for re laxation

relaxation

/ˌriːlækˈseɪʃən/
noun
1.
rest or refreshment, as after work or effort; recreation
2.
a form of rest or recreation: his relaxation is cricket
3.
a partial lessening of a punishment, duty, etc
4.
the act of relaxing or state of being relaxed
5.
(physics) the return of a system to equilibrium after a displacement from this state
6.
(maths) a method by which errors resulting from an approximation are reduced by using new approximations
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for re laxation

relaxation

n.

late 14c., "rupture; mid-15c., "remission of a burden or penalty," from Old French relaxacion (14c.) and directly from Latin relaxationem (nominative relaxatio) "an easing, mitigation, relaxation," noun of action from past participle stem of relaxare (see relax). Meaning "relief from hard work or ordinary cares" is from 1540s.

Online Etymology Dictionary, © 2010 Douglas Harper
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re laxation in Medicine

relaxation re·lax·a·tion (rē'lāk-sā'shən)
n.

  1. The act of relaxing or the state of being relaxed.

  2. Refreshment of body or mind.

  3. A loosening or slackening.

  4. The lengthening of inactive muscle or muscle fibers.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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