pyrogen Meaning, Definition & Usage

  1. noun any substance characterized by its great flammability
  2. noun any substance that can cause a rise in body temperature
    pyrectic.

WordNet

Pyr"o*gen noun
Etymology
See Pyrogenous.
Definitions
  1. Electricity. R.
  2. (Physiol. Chem.) A poison separable from decomposed meat infusions, and supposed to be formed from albuminous matter through the agency of bacteria.

Webster 1913