'Isonicotinic' definitions:
Definition of 'Isonicotinic'
From: GCIDE
- Isonicotinic \I`so*nic`o*tin"ic\, a. (Chem.) (a) Pertaining to, or derived from, isonicotine. (b) Pertaining to, or designating, an acid isomeric with nicotinic acid. [1913 Webster]