放射性武器 fàngshèxìngwǔqì radiological weapon Definitions Defs Origin Strokes Stroke Words Sentences Sents 放射性 fàngshèxìng noun radioactivity the property of certain elements to spontaneously emit radiation as their atomic nuclei decay; also used to describe things that are radioactive武器 wǔqì noun weapon weapon; arms; tools used for military combat or physical destruction