noun🔗ShareAlizarinaA red substance, 1,2-dihydroxyanthraquinone, extracted from madder root and used as a dye."The artist used alizarin to give the fabric a rich, crimson red color. "El artista usó alizarina para darle a la tela un color rojo carmesí intenso.substancematerialchemistrycolorcompoundChat with AIVocabulary GamePractice Reading