#weakening  the act of reducing the strength of something
  exclusion:  strengthening
  supertype:  step-down__decrease__diminution__reduction  the act of decreasing or reducing something
  subtype:  wilt__wilting  causing to become limp or drooping
  subtype:  dilution  weakening (reducing the concentration) by the addition of water or a thinner
     subtype:  thinning__cutting  the act of diluting something; "the cutting of whiskey with water"; "the thinning of paint with turpentine"

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