relaxation -- ((physiology) the gradual lengthening of inactive muscle or muscle fibers)
relaxation, relaxation behavior -- ((physics) the exponential return of a system to equilibrium after a disturbance)
easiness, relaxation -- (a feeling of refreshing tranquility and an absence of tension or worry; "the easiness we feel when sleeping")
relaxation, loosening, slackening -- (an occurrence of control or strength weakening; "the relaxation of requirements"; "the loosening of his grip"; "the slackening of the wind")
rest, ease, repose, relaxation -- (freedom from activity (work or strain or responsibility); "took his repose by the swimming pool")
relaxation, relaxation method -- (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)
(Sound)
