引信系统 yǐnxìnxìtǒng fuzing system Origin Definitions Defs Strokes Stroke Words Sentences Sents 引信 yǐnxìn fuse A detonating device installed on explosives like shells, bombs, or mines; also called 信管 xìnguǎn系统 系統 xìtǒng noun system A whole composed of parts that work together to perform a function or achieve a goal; a series or group of related things forming a complex whole.