The discord of children's screams and instrument noises created an unpleasant cacophony.

discord 由前缀 dis-（表示"不、否定"）和词根 cord（来自拉丁语 cor，意为"心"）组成，字面意思是"心不在一起"，引申为"不和谐、冲突"。在音乐术语中特指"不和谐音"。