龙胆 lóngdǎn rough gentian Origin Definitions Defs Strokes Stroke Words Sentences Sents 龙胆紫 lóngdǎnzǐ gentian violet; crystal violet gentian violet; an organic dye used in medicine as an antiseptic and disinfectant, commonly known as [[紫药水|紫藥水|zi3 yao4 shui3]]龙胆草 lóngdǎncǎo rough gentian gentian plant with blue-purple flowers and roots used in traditional Chinese medicine