Definitions of diatonic

  2. based on or using the five tones and two semitones of the major or minor scales of Western music
  3. based on the standard major or minor scales consisting of 5 tones and 2 semitones without modulation by accidentals
  4. Pertaining to the scale of eight tones, the eighth of which is the octave of the first.
  5. Designating the regular tones of a key or scale in music.
  6. Proceeding by tones, as the natural scale in music.
  7. Progressing by tones, in music.
  8. Designating the regular tones of a key ( or scale).
  9. Applied to the natural scale, which, proceeding by degrees, includes both tones and scini- tones.
  10. In music, in the ordinary scale; by tones and semitones.