- 1. n. A reddish brown amorphous dyestuff, /, obtained from orcin, and forming the essential coloring matter of cudbear and archil. It is closely related to litmus. Source: opted
- 2. A reddish brown amorphous dyestuff, Source: webster
- 3. n. A reddish brown amorphous dyestuff, /, obtained from orcin, and forming the essential coloring matter of cudbear and archil. It is closely related to litmus. Source: ecdict
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amorphousbrowndyestuffreddisharchilcloselycoloringcudbearessentialforminglitmusmatterobtainedorcinrelated