relaxation

英[riːlæk'seɪʃ(ə)n] 美['rilæk'seʃən]

1. (physiology) the gradual lengthening of inactive muscle or muscle fibers

2. (physics) the exponential return of a system to equilibrium after a disturbance

3. a state of refreshing tranquility

4. an occurrence of control or strength weakening;

"the relaxation of requirements"

"the loosening of his grip"

"the slackening of the wind"

5. freedom from activity (work or strain or responsibility);

"took his repose by the swimming pool"

6. 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

7. the act of making less strict