thapsic acid
noun
thap·sic acid
ˈthapsik-
: a crystalline dicarboxylic acid HOOC(CH2)14COOH found in the roots of the deadly carrot and the wax of a juniper (Juniperus sabina); hexadecane-dioic acid
Word History
Etymology
New Latin Thapsia (genus name of the deadly carrot Thapsia garganica) + English -ic