Nantoka/煤灰méi huī煤灰 (méi huī) is a Chinese word meaning “soot”.Meanings1sootCharacters in 煤灰煤méi · coal灰huī · ashRelated words灰ash灰色gray骨灰bone ash煤气coal gas灰姑娘Cinderella灰尘dust灰烬ashes烟灰缸ashtray煤coal煤矿coal mine灰心to lose heart灰暗dull grayStudy Chinese with flashcards →