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orcein

3 senses · Free VividLex dictionary · Thesaurus

  1. 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. 2. A reddish brown amorphous dyestuff, Source: webster
  3. 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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