pyrogenous

from WordNet (r) 3.0 (2006)

pyrogenous
    adj 1: produced by or producing fever [syn: {pyrogenic},
           {pyrogenous}, {pyrogenetic}]
    2: produced under conditions involving intense heat; "igneous
       rock is rock formed by solidification from a molten state;
       especially from molten magma"; "igneous fusion is fusion by
       heat alone"; "pyrogenic strata" [syn: {igneous}, {pyrogenic},
       {pyrogenous}]

from The Collaborative International Dictionary of English v.0.48

Pyrogenous \Py*rog"e*nous\, a. [Gr. ? fire + genous: cf. F.
   purog[`e]ne, Gr. ?.]
   Produced by fire; igneous. --Mantell. .
   [1913 Webster]