引信 yǐnxìn fuse Origin Definitions Defs Strokes Stroke Words Sentences Sents 引信系统 yǐnxìnxìtǒng fuzing system fuzing system; the entire mechanism used to detonate an explosive device at the desired time触发引信 chùfāyǐnxìn impact detonator a detonator or fuse that is triggered by physical impact