'Diminution' definitions:

Definition of 'diminution'

From: WordNet
noun
Change toward something smaller or lower [syn: decline, diminution]
noun
The statement of a theme in notes of lesser duration (usually half the length of the original) [ant: augmentation]
noun
The act of decreasing or reducing something [syn: decrease, diminution, reduction, step-down] [ant: increase, step-up]

Definition of 'Diminution'

From: GCIDE
  • Diminution \Dim`i*nu"tion\, n. [L. diminutio, or perh. rather deminutio: cf. F. diminution. See Diminish.]
  • 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. [1913 Webster]
  • 2. The act of lessening dignity or consideration, or the state of being deprived of dignity; a lowering in estimation; degradation; abasement. [1913 Webster]
  • The world's opinion or diminution of me. --Eikon Basilike. [1913 Webster]
  • Nor thinks it diminution to be ranked In military honor next. --Philips. [1913 Webster]
  • 3. (Law) Omission, inaccuracy, or defect in a record. [1913 Webster]
  • 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. [1913 Webster]