煤化 méihuà coalification; carbonization Definitions Defs Origin Strokes Stroke Words Sentences Sents 煤化 méihuà coalification; carbonization The geological process where buried plant matter gradually turns into coal; to undergo this process (also called 炭化 tànhuà) Cross-References Same as 炭化 tànhuà
煤化 méihuà coalification; carbonization The geological process where buried plant matter gradually turns into coal; to undergo this process (also called 炭化 tànhuà) Cross-References Same as 炭化 tànhuà
