[ˌdʌɪəˈtɒnɪk], (Adjective)

Definitions:
- (of a scale, interval, etc.) involving only notes proper to the prevailing key without chromatic alteration


Phrases:

Origin:
early 17th century (denoting a tetrachord divided into two tones and a lower semitone, or ancient Greek music based on this): from French diatonique, or via late Latin from Greek diatonikos ‘at intervals of a tone’, from dia ‘through’ + tonos ‘tone’