ˌtoxicoˈdendricadj.Chemistry applied to an acid derived from Rhus Toxicodendron and other species, subsequently found to be identical with acetic acid.
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1865 J. M. Maisch in Proc. Amer. Pharmaceut. Assoc. 172 A new organic acid, for which I propose the name of Toxicodendric acid.
1877 L. A. DuhringPract. Treat. Dis. Skin 325 The poison is an exceedingly volatile acid,—toxicodendric acid.