Diatonic

Proceeding in the order of the octave based on five tones and two semitones. The major and natural minor scales and the modes are all diatonic In the major scale, the semitones fall between the third and fourth tones and the seventh and eighth tones. In the minor scale, the semitones fall between the second and third tones and the fifth and sixth tones. Any one of the common scales made of whole and half steps in a particular pattern. The white keys on a piano instrument from a diatonic scale.pertaining to a scale, it means a standard major or minor key without chromatics<br><br>Any one of the common scales made of whole and half steps in a particular pattern. The white keys on a piano instrument from a diatonic scale