pyridine
pyr·i·dine
noun \ˈpir-ə-ˌdēn\Definition of PYRIDINE
: a toxic water-soluble flammable liquid base C5H5N of pungent odor that is the parent of many naturally occurring organic compounds and is used as a solvent and a denaturant for alcohol and in the manufacture of pharmaceuticals (as antiseptics and antihistamines) and waterproofing agents
