One of the standard designations for hazardous materials, indicating that ingestion causes fever. An example of a substance with this designation is sodium nitrate. Part of the Gefahrstoffverordnung (GefstoffV) safety system.
In more casual use, pyrogenic is sometimes employed as a synonym of (in)flammable, especially when something can generate flames or heat, such as matches or magnesium. Such things are some of the favorite toys of pyromaniacs.
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.
© Webster 1913.
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