Definition

1. Noun:
   • A musical scale with eight notes in an octave: The diatonic scale is a fundamental musical scale where the eight notes are arranged in a specific pattern of whole tones and semitones. All but two of the intervals between successive notes are whole tones.

Usage and Examples

• Noun:
  • The major scale is the most common example of a diatonic scale.
  • Much of Western classical music is built upon the diatonic scale.
  • To understand harmony, one must first master the diatonic scale.

Advanced Usage

• "Diatonic" as an adjective: While the target term is the noun phrase "diatonic scale," the adjective "diatonic" is used to describe music, chords, or harmony that strictly uses notes belonging to a particular diatonic scale.
  • The piece uses only diatonic harmony, giving it a very consonant sound.
  • This melody is purely diatonic; it doesn't use any chromatic notes.

Variants and Related Words

• Diatonicism (n): The quality or system of using diatonic scales and harmony.
• Chromatic scale (n): A contrasting musical scale that includes all twelve semitones in an octave, as opposed to the seven notes of a diatonic scale.
• Major scale (n): A specific type of diatonic scale with a characteristic pattern of intervals (whole, whole, half, whole, whole, whole, half).
• Minor scale (n): Another type of diatonic scale, which has several forms (natural, harmonic, melodic), all derived from a different pattern of intervals.

Synonyms

• Heptatonic scale: A more technical term for a seven-note scale, which describes the diatonic scale (the eighth note is the octave repetition of the first).

Related Concepts

• Tonic: The first and primary note of a diatonic scale, serving as the home note or key center.
• Mode: A type of scale derived by starting a diatonic scale on a note other than the tonic (e.g., Dorian, Phrygian). All modes (Ionian, Dorian, Phrygian, Lydian, Mixolydian, Aeolian, Locrian) are diatonic scales.

Noun

1. a scale with eight notes in an octave; all but two are separated by whole tones