触发引信 chùfāyǐnxìn impact detonator Origin Definitions Defs Strokes Stroke Words Sentences Sents 触发 觸發 chùfā verb to trigger to detonate by contact; to trigger a mechanism or a sudden physical event (like a mudslide)引信 yǐnxìn fuse A detonating device installed on explosives like shells, bombs, or mines; also called 信管 xìnguǎn