pyrogen pyrogallol monoacetate • pyrogenation · · · Info · Definitions · Synonyms · Characters · · pyrogen · · Text Latin · · Script 7 · · Length 3 · · Syllables Definitions · · · (noun) any substance characterized by its great flammability. · · Noun Definition 1 (noun) any substance that can cause a rise in body temperature. Synonyms: pyrectic. · · Noun Definition 2 Synonyms · · · pyrectic · · Synonym 1 Characters · · e latin small letter e U+0065 g latin small letter g U+0067 n latin small letter n U+006E o latin small letter o U+006F p latin small letter p U+0070 r latin small letter r U+0072 y latin small letter y U+0079