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De - Pt| English Dictionary: Orcein | by the DICT Development Group |
| 1 result for Orcein | |
| From Webster's Revised Unabridged Dictionary (1913) [web1913]: | |
|
Orcein \Or"ce*in\, n. (Chem.) A reddish brown amorphous dyestuff, [?], obtained from orcin, and forming the essential coloring matter of cudbear and archil. It is closely related to litmus. | |
