SG Heritage Dictionary

Pyrogen [Noun] Webster's Dictionary 1913

1. Electricity.

2. A poison separable from decomposed meat infusions, and supposed to be formed from albuminous matter through the agency of bacteria.

Pyrogenic [Adjective] Webster's Dictionary 1913

Producing heat; -- said of substances, as septic poisons, which elevate the temperature of the body and cause fever.

Pyrogenous [Adjective] Webster's Dictionary 1913

Produced by fire; igneous.