a. 1. Of or pertaining to aconite. [ 1913 Webster ]

2. (Chem.) Pert. to or designating a crystalline tribasic acid, C6H6O6, obtained from aconite and other plants. It is a carboxyl derivative of itaconic acid. Both the natural forma from plants and the form prepared chemically have the trans-configuration. It is used in the manufacture of itaconic acid (propylene dicarboxylic acid). MI11
Syn. -- 1-propene-1, 2, 3-tricarboxylic acid, equisetic acid, citridic acid, achilleic acid [ Webster 1913 Suppl. +PJC ]