voidance

名词 voidance:

1. the act of removing the contents of something
   同义词：emptying, evacuation

void.ance

n.（名词）
The act of voiding.
放出，排出，取消：放空、撤出、排泄、抛弃或取消的行为
The condition of being vacant; emptiness.
空：空的状态；空