黑烟 hēiyān black smoke Origin Definitions Defs Strokes Stroke Words Sentences Sents hēiyān black smoke 黑 hēi adjective black the color of coal or ink; opposite of 白 bái烟 煙 yān noun smoke gas and visible particles emitted by a burning substancehēiyān opium 黑 hēi adjective black the color of coal or ink; opposite of 白 bái烟 煙 yān opium (bound form) opiumhēiyān pigment 黑 hēi adjective black the color of coal or ink; opposite of 白 bái烟 煙 yān soot (bound form) black soot or carbon deposit from smoke, traditionally used for making ink