relaxation

noun

the act of making less strict
より厳しくなくなる行為
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
解を予測し、全ての間違いが特定の量より少なくなるまで連続近似により生じた誤りを減らす連立方程式の解法
freedom from activity (work or strain or responsibility)
（仕事や緊張、責任など）行動からの解放
- took his repose by the swimming pool
  水泳プールの近くで彼は休息を取った
an occurrence of control or strength weakening
規制の発生あるいは強度を弱める
- the relaxation of requirements
  要求の緩和
- the loosening of his grip
  彼のグリップのゆるみ
- the slackening of the wind
  風が弱まること
a feeling of refreshing tranquility and an absence of tension or worry
さわやかな平穏な感覚と、緊張または心配のないこと
- the easiness we feel when sleeping
  眠る時に私達が感じる落ち着き
the exponential return of a system to equilibrium after a disturbance
擾乱後にシステムが急激に平衡に戻ること
the gradual lengthening of inactive muscle or muscle fibers
不活発な筋肉または筋繊維を段階的に延ばすこと