Source : Webster's Revised Unabridged Dictionary (1913)

Aconitic \Ac`o*nit"ic\, a. (Chem.)
   Pert. to or designating a crystalline tribasic acid, ?,
   obtained from aconite and other plants. It is a carboxyl
   derivative of itaconic acid.

Aconitic \Ac`o*nit"ic\, a.
   Of or pertaining to aconite.