pyrogenicPronunciation: /ˌpʌɪrə(ʊ)ˈdʒɛnɪk/Definition of pyrogenic adjective 1 Medicine inducing fever: a pyrogenic response follows intravenous injection of endotoxin 2caused or produced by combustion or the application of heat: pyrogenic factors affecting the fluctuation of the forest-savannah boundaryDerivatives pyrogenicity noun pyrogenic in other Oxford dictionaries Definition of pyrogenic in the US English dictionary