pyridine pyridic • pyridinium · · · Info · Definitions · Characters · · pyridine · · Text Latin · · Script 8 · · Length 3 · · Syllables Definitions · · · (noun) a toxic colorless flammable liquid organic base with a disagreeable odor; usually derived from coal. · · Noun Definition 1 Characters · · d latin small letter d U+0064 e latin small letter e U+0065 i latin small letter i U+0069 n latin small letter n U+006E p latin small letter p U+0070 r latin small letter r U+0072 y latin small letter y U+0079