棉花火药 miánhuahuǒyào gun cotton Origin Definitions Defs Strokes Stroke Words Sentences Sents 棉花 miánhua noun cotton cotton plant; the soft white fiber harvested from the cotton plant used for making textiles火药 火藥 huǒyào gunpowder A chemical mixture that burns or explodes rapidly, releasing gas and heat; one of the Four Great Inventions of ancient China.