| pyrogenic | (adj) produced by or producing fever, Syn. pyrogenous, pyrogenetic |
| igneous | (adj) produced under conditions involving intense heat, Syn. pyrogenic, pyrogenous |
| Pyrogenic | a. [ Pyro- + -gen + -ic. ] (Physiol.) Producing heat; -- said of substances, as septic poisons, which elevate the temperature of the body and cause fever. [ 1913 Webster ] |