Vocabulary What does 導火線 (どうかせん, doukasen) mean? 導火線 (どうかせん, doukasen) means fuse. Quick factsReadingどうかせんRomajidoukasenPart of speechnoun 導火線どうかせんdoukasenfuse1noun fuseKanji in this word導guidance, leading火fire線line, route; thread, wire