Found 2 items, similar to pyrogen.
English → English (WordNet) Definition: pyrogen pyrogen n : any substance that can cause a rise in body temperature [syn: pyrectic]
English → English (gcide) Definition: Pyrogen Pyrogen \Pyr"o*gen\, n. [See Pyrogenous.] 1. Electricity. [R.] [1913 Webster] 2. (Physiol. Chem.) A poison separable from decomposed meat infusions, and supposed to be formed from albuminous matter through the agency of bacteria. [1913 Webster]