Definition of compound interval in English:

compound interval

noun

Music
  • An interval greater than an octave.

    • ‘The names of the compound intervals are those of the simple intervals plus the number seven.’
    • ‘See how the common intervals are in the bass clef and the compound intervals are in the treble clef.’
    • ‘Perfect fifth added to perfect fifth makes major ninth which is a compound interval of major second.’
    • ‘The number of a compound interval is always 7 more than its related simple interval with the same letter name.’
    • ‘The only compound intervals appear where, for example, a second is considered dissonant whereas its compound form as a ninth, or its inversion as a seventh, is considered consonant.’