#diminution__decline  change toward something smaller or lower
  supertype:  #decrease__decrement  a process of becoming smaller
  subtype:  #decline_in_quality__deterioration__declension__worsening  process of changing to an inferior state
  subtype:  #ebbing__ebb  a gradual decline (in size or strength or power or number)
  subtype:  #loss.diminution  gradual decline in amount or activity: "weight loss"; "a serious loss of business"
     subtype:  #epilation  loss of hair; the result of removing hair
        subtype:  #psilosis  falling out of hair
     subtype:  #reducing  loss of excess weight (as by dieting); becoming slimmer; "a doctor supervised her reducing"
  subtype:  #sinking_spell__sinkingspell  a temporary decline in health or value
  subtype:  #slippage.diminution  decline from a standard level of performance or achievement
  subtype:  #drop-off__slump__slack__falloff__falling_off__fallingoff  a noticeable decline in performance: "the team went into a slump"; "a sudden slack in output"; "a drop-off in attendance"; "a falloff in automobile sales"

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