What is "orcinol"

n. (context organic compound English) A natural phenolic organic compound that occurs in many species of lichen, used in the production of orcein and as a reagent in some chemical tests for pentoses.

Orcinol is a natural phenolic organic compound that occurs in many species of lichens including Roccella tinctoria and Lecanora. Orcinol has been detected in the "toxic glue" of the ant species Camponotus saundersi.