the absence of a key; alternative to the diatonic system
同义词:atonalism
atonality详细解释
a.to.nal.i.ty n.(名词)【复数】a.to.nal.i.ties【音乐】 The absence of a tonal center and of harmonies derived from a diatonic scale corresponding to such a center; lack of tonality.无调性:缺少中心旋律及和谐性,由与此中心对应的全音阶得来;缺少音调