One who, or that which, diminishes something.

plural of diminisher

plural of diminishing

(music) A musical interval of the Western twelve-semitone system consisting of four semitones and spanning four degrees of the diatonic scale. It is one semitone narrower than a perfect fourth and enharmonically equivalent to a major third.

(music) A type of tritone in musical composition comprising six semitones. It spans five diatonic scale degrees like a perfect fifth but narrower by a semitone. The number of diatonic degrees it spans is what distinguishes it from an augmented fourth.

(music) A musical interval of the Western twelve-semitone system consisting of eleven semitones and spanning eight degrees of the diatonic scale. It is one semitone narrower than a perfect octave and enharmonically equivalent to a major seventh.

(music) A musical interval of the Western twelve-semitone system consisting of nine semitones and spanning seven degrees of the diatonic scale. It is one semitone narrower than a minor seventh and enharmonically equivalent to a major sixth.

plural of diminished octave

plural of diminished seventh

(law, insurance) A compensable loss in a property item's value after having been damaged and subsequently repaired or, in the case of a construction, having been constructed improperly or not according to contract.