diminished interval di-MIN-isht IN-ter-vuhl Your browser does not support the audio element. [ English ] Definition A perfect interval (perfect fourth, fifth, or octave) or a minor interval (minor second, third, sixth, or seventh) which is made smaller by the subtraction of one semitone. Share Share on Facebook (opens in a new tab) Share on X (opens in a new tab) Last Updated: 2016-05-23 01:20:43
