pur.pu.rin

n.（名詞）
A reddish crystalline compound, C4H 5O 2(OH) 3, that is isolated from madder root for use as a biological stain and commercial dye.
羥基茜草素，紅紫素：一種從茜草屬植物中提取出來用作生物染色劑和商業(yè)染料的淡紅晶狀化合物C4H 5O 2(OH) 3

來源：
Latin purpura [purple] * see purple
拉丁語 purpura [紫色的] *參見 purple
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