enneatonic

English

Etymology

ennea- +‎ tonic

Adjective

enneatonic (not comparable)

1. (music) Based on nine tones.
   • 2005, William Kinderman, Katherine Rae Syer, A Companion to Wagner's Parsifal, →ISBN, page 226:

     In m.11 (ex. 6.4b), an eighth-note variant of this enneatonic fragment is harmonized by a half-diminished-seventh chord on A resolving to an A♭-major triad; as shown beneath the lower staff of example 6.4b, this harmonization generates an enneatonic collection different from that implied by the melody.

   • 2005, Richard J. Dumbrill, The Archaeomusicology of the Ancient Near East, →ISBN, page 53:

     Now the enneatonic diatonic descending genus, išartum: cbagfedcb consists of two junct pentachords: cbagf and: fedcb containing two octochords: cbagfedc and bagfedcb .

   • 2009, Evan Allan Jones, Intimate Voices: Debussy to Villa-Lobos, →ISBN, page 217:

     The complete pitch content of the opening seven measures is the enneatonic collection, the highly symmetrical nine-note mode of limited transposition that is the complement of an augmented triad.