cudbear

• 一种从地衣中提取的紫色染料（苔色素），也指此类地衣。

A noun referring to a purplish dye derived from certain orchil lichens.

不可数

1. Purplish dye from lichensC2formal

   A purplish-red or violet dye obtained from certain species of orchil lichens, used historically for coloring textiles.

   地衣紫染料

   • The ancient weavers used cudbear to dye their wool a deep purple.
   • Cudbear was a valuable trade item in the 18th century.
   • The fabric was stained with a rich cudbear hue.

   同义词archilorchil