wipe-out
/ˈwaɪpaʊt/noun
1- informal an instance of complete destruction〈非正式〉完全摧毁, 消灭：
a nuclear wipe-out.
核毁灭。
1.1
- a fall from a surfboard（冲浪时的）翻跌。
1.2
- the obliteration of one radio signal by another清除, 封闭（指一个无线电信号被另一个信号抹去）。