noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   Any of a group of lichens of genus Roccella, especially Rocella tinctoria from which litmus is extracted.
2. 2
   a source of the dye archil and of litmus wordnet

Synonyms

All synonyms

roccella tinctoria

Etymology

From the genus name.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.