Isonicotine :: Isonicotine (n.) A crystalline, nitrogenous base, C10H14N2, isomeric with nicotine..
Isonicotinic :: Isonicotinic (a.) Pertaining to, or derived from, isonicotine..
Isonicotinic :: Isonicotinic (a.) Pertaining to, or designating, an acid isomeric with nicotinic acid..
Nicotine :: Nicotine (n.) An alkaloid which is the active principle of tobacco. It is a colorless, transparent, oily liquid, having an acrid odor, and an acrid burning taste. It is intensely poisonous..
Nicotinic :: Nicotinic (a.) Pertaining to, or derived from, nicotine; nicotic; -- used specifically to designate an acid related to pyridine, obtained by the oxidation of nicotine, and called nicotinic acid..