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Definition of Diatonic
1. Adjective. Based on the standard major or minor scales consisting of 5 tones and 2 semitones without modulation by accidentals.
2. Adjective. Based on or using the five tones and two semitones of the major or minor scales of western music.
Similar to: Tonal
Definition of Diatonic
1. a. Pertaining to the scale of eight tones, the eighth of which is the octave of the first.
Definition of Diatonic
1. pertaining to a type of musical scale [adj]
Medical Definition of Diatonic
1. Pertaining to the scale of eight tones, the eighth of which is the octave of the first. Diatonic scale, a scale consisting of eight sounds with seven intervals, of which two are semitones and five are whole tones; a modern major or minor scale, as distinguished from the chromatic scale. Origin: L. Diatonicus, diatonus, Gr, fr. To stretch out; through + to stretch: cf. F. Diatonique. See Tone. Source: Websters Dictionary (01 Mar 1998)