Pyrogenous
Pronunciation : Py*rog"e*nous
Part of Speech : a.
Etymology : [Gr. genous: cf. F. purog?ne, Gr.
Definition : Defn: Produced by fire; igneous. Mantell. .
Source : Webster's Unabridged Dictionary, 1913
Merriam-Webster's Everyday Language Reference Set: Includes: The Merriam-Webster Dictionary, The Merriam-Webster Thesaurus, and The Merriam-Webster Vocabulary Builder