Compounds of 効

• 薬が効く
  (exp,v5k) to have medicine be effective
• 薬石無効
  (n) neither medicines nor medical care having little effect on a patient
• 有効けた
  (n) (comp) significant digit
• 有効期間
  (n) term of validity
  period for which (a ticket) is available (valid)
• 有効期間
  (n) term of validity
  period for which (a ticket) is available (valid)
• 有効期限
  (n) expiration date (on a credit card)
  effective date
• 有効作用
  (n) effective action (physics)
• 有効需要
  (n) effective demand
• 有効状態
  (n) (comp) active state
• 有効数字
  (n) significant digits
• 有効成分
  (n) active ingredient
• 有効範囲
  (n) (comp) scope
  valid range
  coverage
• コスト効率
  (n) cost effectiveness
• ノセボ効果
  (n) nocebo effect
• ハロー効果
  (n) halo effect
• メモリ効果
  (n) (comp) memory effect
• 割引が効く
  (exp,v5k) to be able to get a (type of) discount
• 効果の法則
  (n) law of effect
• 効用最大化
  (n,vs) utility maximization
  utility maximisation
• 効率の良い
  (n) (comp) efficient
• 口の効き方
  (exp) the way one talks
  one's way of speaking
• 自己効力感
  (n) self-efficacy
• 速効性肥料
  (n) quick-acting fertilizer
  quick-acting fertiliser
• 遅効性肥料
  (n) slow-acting fertilizer
  slow-acting fertiliser
• 無効にする
  (vs) (comp) to disable
  to override
• 無効ビット
  (n) (comp) invalid bit
• 薬石効なく
  (adv) no medical treatment having proved effective
• 薬石効無く
  (adv) no medical treatment having proved effective
• 良く効く薬
  (n) very efficacious medicine
• Ｊカーブ効果
  (n) J-curve effect