八二丹 Traditional form: 八二丹 Pinyin (reading): bā'èrdān Definitions: eight-to-two powder (TCM) Characters: 八 - eight; all around, all sides 二 - two; twice 丹 - cinnabar, red, vermilion; pellet, powder Traditional characters: 八 - eight; all around, all sides 二 - two; twice 丹 - cinnabar, red, vermilion; pellet, powder