Standard Lemma guide
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
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noun
Any of a group of lichens of genus Roccella, especially Rocella tinctoria from which litmus is extracted.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
noun
a source of the dye archil and of litmus
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Synonyms: Roccella tinctoria
Antonyms: none provided
Broader terms: lichen
History
From the genus name.
