a violent and destructive shattering or blowing apart of something, as is caused by a bomb 爆炸 ■(technical)a violent expansion in which energy is transmitted outwards as a shock wave (技)爆破;破裂 ■a sudden outburst of something such as noise, light, or violent emotion, especially anger 爆发(尤指怒气的迸发) an explosion of anger inside the factory. 工厂内众怒迸发。 ■a sudden political or social upheaval 突发的政治(或社会)动乱 ■a rapid or sudden increase in amount or extent 剧增;激增;(范围的)迅速扩大 an explosion in the adder population. 蝰蛇数量的剧增。
语源
early 17th cent.: from Latin explosio(n-) 'scornful rejection', from the verb explodere (see explode)