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rheic |
1 definition found From Webster's Revised Unabridged Dictionary (1913) [web1913]: Rheic \Rhe"ic\, a. [NL. Rheum rhubarb, Gr ??? See {Rhubarb}.] (Chem.) Pertaining to or designating, an acid (commonly called chrysophanic acid) found in rhubarb ({Rheum}). [Obsoles.]