Pyrogen(n.) Electricity.
Pyrogen(n.) A poison separable from decomposed meat infusions, and supposed to be formed from albuminous matter through the agency of bacteria.
Pyrogenic(a.) Producing heat; -- said of substances, as septic poisons, which elevate the temperature of the body and cause fever.
Pyrogenous(a.) Produced by fire; igneous.

Words within pyrogenicities