- Of or pertaining to that one of the three kinds of
musical scale (diatonic, chromatic, enharmonic) recognized by the
ancient Greeks, which consisted of quarter tones and major thirds, and
was regarded as the most accurate. - Pertaining to a change of notes to the eye, while, as
the same keys are used, the instrument can mark no difference to the
ear, as the substitution of A/ for G/. - Pertaining to a scale of perfect intonation which
recognizes all the notes and intervals that result from the exact
tuning of diatonic scales and their transposition into other keys.