(Music)(of a scale, interval, etc.) involving only notes proper to the prevailing key without chromatic alteration (乐)(音阶、音程等)自然音阶的 ■(of a melody or harmony) constructed from such a scale (音调,和声)自然音阶的
语源
early 17th cent. (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'