P — Pygobranchia to Pyrogenic (Part 6 of 6)

hence called also pyrogallic acid. It is a strong reducer, and is used as a developer in photography and in the production of certain dyes.

Pyrogen
(Pyr"o*gen) n. [See Pyrogenous.]

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.

Pyrogenic
(Pyr`o*gen"ic) a. [Pyro- + -gen + -ic.] (Physiol.) Producing heat; — said of substances, as septic poisons, which elevate the temperature of the body and cause fever.