1
: of or relating to igneous origin
2
: producing or produced by heat or fever

Word History

Etymology

International Scientific Vocabulary

First Known Use

1823, in the meaning defined at sense 1

Time Traveler
The first known use of pyrogenic was in 1823

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Cite this Entry

“Pyrogenic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/pyrogenic. Accessed 7 Jul. 2026.

Medical Definition

pyrogenic

adjective
: producing or produced by fever
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