English dictionary
orcin
/'/O/rs/I/n/
Definitions, examples, synonyms and antonyms from WordNet 3.0.
noun
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A colorless crystalline substance, C<sub>6</sub>H<sub>3</sub>.CH<sub>3</sub>.(OH)<sub>2</sub>, which is obtained from certain lichens (<i>Roccella</i>, <i>Lecanora</i>, etc.), also from extract of aloes, and artificially from certain derivatives of toluene. It changes readily into orcein.
Source: webster1913