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Definition of Urushiol
1. Noun. (organic compounds) An oil found in plants of the family ''Anacardiaceae'', causing an allergic skin rash on contact; consists of a variable mixture of several organic compounds. ¹
¹ Source: wiktionary.com
Definition of Urushiol
1. a toxic liquid [n -S]
Medical Definition of Urushiol
1. A mixture of nonvolatile hydrocarbons, derivatives of catechol with unsaturated C15 or C17 side chains, constituting the active allergen of the irritant oil of poison ivy, Toxicodendron radicans, poison oak, T. Diversilobum, and the Asiatic laquer tree, T. Verniciferum. Origin: Jap. Urushi, lac, + L. Oleum, oil (05 Mar 2000)
Lexicographical Neighbors of Urushiol
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