orchil
orchil, a violet dye obtained from some lichens by fermentation. It is also the term for any lichen that yields orchil (Roccella, Lecanora, Ochrolechin, and Evernia) and refers to any colour obtained from this dye.
Citation Information
Article Title:
orchil
Website Name:
Encyclopaedia Britannica
Publisher:
Encyclopaedia Britannica, Inc.
Date Published:
10 March 2008
Access Date:
March 14, 2025