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Pronunciation varies by accent · noun
(medicine) Any substance that produces fever, or a rise in body temperature.
Use pyrogen when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Pyrogen means (medicine) Any substance that produces fever, or a rise in body temperature.
Common synonyms include pyrectic.
The opposite depends on the specific sense.
Use pyrogen where its definition matches the intended context.
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