partitioning

n. 划分, 分块
动词partition的现在分词形式

例句与用法：

A partition that prevents interference between sound waves in a loudspeaker.

隔音板在扩音器中防止声波相互干扰的隔离装置

I could hear what he was saying on the phone through the partition.

我能隔着墙听见他在电话里说了些什么。