English Dictionary: Rhein | by the DICT Development Group |
3 results for Rhein | |
From WordNet (r) 3.0 (2006) [wn]: | |
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From Webster's Revised Unabridged Dictionary (1913) [web1913]: | |
Rhein \Rhe"in\, n. (Chem.) Chrysophanic acid. | |
From Webster's Revised Unabridged Dictionary (1913) [web1913]: | |
Chrysophanic \Chrys`o*phan"ic\, a. Pertaining to, or derived from, or resembling, chrysophane. {Chrysophanic acid} (Chem.), a yellow crystalline substance extracted from rhubarb, yellow dock, sienna, chrysarobin, etc., and shown to be a derivative of an anthracene. It is used in the treatment of skin diseases; -- called also {rhein}, {rheic acid}, {rhubarbarin}, etc. |