pyrogen noun. ['pʌɪrǝdʒ(ǝ)n] M19.
[from PYRO- + -GEN.]
1. Electricity considered as a material substance. rare. Only in M19.

2. A substance produced by the action of heat on organic compounds. rare. Only in M19.

3. Medicine. A substance which when introduced into the blood produces fever; a pyrogenic agent. L19.

[TahlilGaran] English Dictionary ▲