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Webster 1913 Edition
Rheic
Rhe′ic
,Adj.
[NL.
Rheum
rhubarb, Gr. [GREEK][GREEK][GREEK] See Rhubarb
.] (Chem.)
Pertaining to, or designating, an acid (commonly called chrysophanic acid) found in rhubarb (
Rheum
). [Obsoles.]