アリザリンありざりんMeanings1nounalizarinA red dye originally obtained from madder root, now often produced synthetically. Used in chemistry, art, and textile dyeing.アリザリンは、かつてアカネの根ねから抽ちゅう出しゅつされていた赤あかい染せん料りょうです。Alizarin is a red dye that was once extracted from madder root.