D defs.my
Entry 1 sense Webster, 1913

Hexachord

· Hex·a·chord · IPA
01 n. A series of six notes, with a semitone between the third and fourth, the other intervals being whole tones.
  1. 1.
    A series of six notes, with a semitone between the third and fourth, the other intervals being whole tones.(Mus.)