Diminution /(?)/

Dim·i·nu·tion

Diminution

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. Omission, inaccuracy, or defect in a record. (Law)
  4. In counterpoint, the imitation of, or reply to, a subject, in notes of half the length or value of those the subject itself. (Mus.)