flash.o.ver

flashover的音标和读音：
DJ音标发音： [ˈflæʃˌouvə]
KK音标发音： [ˈflæʃˌovɚ]

flashover的词性：
n.（名词）

1. An unintended electric arc, as between two pieces of apparatus.
飞弧：如在两块器械之间产生的一道随意性的电弧

2. The temperature point at which the heat in an area or a region is high enough to ignite all flammable material simultaneously.
燃点：能够同时点燃某一区域或范围内所有可燃物所需的温度