cancellation
noun [ C or U ] uk/ˌkæn.səlˈeɪ.ʃən/ us/ˌkæn.səlˈeɪ.ʃən/
C1 取消;撤销;使作废
the act of deciding that an organized event will not happen or of stopping an order for something
Many trains are subject to cancellation because of the flooding. 多趟列车因洪水而被取消。
The theatre tickets were sold out, so we waited to see if there were any cancellations (= unwanted returned tickets). 戏票已经卖光了，所以我们等着看是否有退票。