dim·i·nu·tion /ˌdɪməˈnuʃən ||ˈnju-/
  減少,縮小,減低
  Dim·i·nu·tion n.
  1. The act of diminishing, or of making or becoming less; state of being diminished; reduction in size, quantity, or degree; -- opposed to augmentation or increase.
  2. The act of lessening dignity or consideration, or the state of being deprived of dignity; a lowering in estimation; degradation; abasement.
     The world's opinion or diminution of me.   --Eikon Basilike.
  Nor thinks it diminution to be ranked
  In military honor next.   --Philips.
  3. Law Omission, inaccuracy, or defect in a record.
  4. Mus. In counterpoint, the imitation of, or reply to, a subject, in notes of half the length or value of those the subject itself.
  Syn: -- Decrease; decay; abatement; reduction; deduction; decrement.
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  diminution
       n 1: change toward something smaller or lower [syn: decline]
       2: the statement of a theme in notes of lesser duration
          (usually half the length of the original) [ant: augmentation]
       3: the act of decreasing or reducing something [syn: decrease,
           reduction, step-down] [ant: increase]