crottle

A noun referring to any of several lichens of the genus Parmelia, used to produce reddish brown or purple dyes.

• 🇨🇳名词，指石蕊属地衣（Parmelia属）中若干种地衣中的任何一种，可用于提取红棕色或紫色染料。

1. Dye-producing lichen C2 formal british

   Any of several lichens, especially from the genus Parmelia, used to produce reddish-brown or purple dyes.

   • The ancient Scots used crottle to dye their wool.
   • Crottle gives a distinctive reddish-brown color to tartan cloth.
   • She gathered crottle from the rocks to make natural dye.

   🇨🇳染料地衣

   同义词: crotalcrottal