We found 24 dictionaries that define the word pyrogen:

General (18 matching dictionaries)

1. pyrogen: Merriam-Webster
2. pyrogen: Oxford Learner's Dictionaries
3. pyrogen: American Heritage Dictionary of the English Language
4. pyrogen: Collins English Dictionary
5. pyrogen: Vocabulary.com
6. pyrogen: Wordnik
7. pyrogen: Wiktionary
8. pyrogen: Webster's New World College Dictionary, 4th Ed.
9. pyrogen: Infoplease Dictionary
10. pyrogen: Dictionary.com
11. Pyrogen (disambiguation), Pyrogen (fever), Pyrogen (pyrotechnics), Pyrogen: Wikipedia, the Free Encyclopedia
12. Pyrogen: Online Plain Text English Dictionary
13. pyrogen: Webster's Revised Unabridged, 1913 Edition
14. pyrogen: Rhymezone
15. Pyrogen: AllWords.com Multi-Lingual Dictionary
16. pyrogen: FreeDictionary.org
17. pyrogen: Mnemonic Dictionary
18. pyrogen: TheFreeDictionary.com

Computing (1 matching dictionary)

19. pyrogen: Encyclopedia

Medicine (4 matching dictionaries)

20. pyrogen: Merriam-Webster Medical Dictionary
21. Dorland's Illustrated Medical Dictionary (No longer online)
22. online medical dictionary (No longer online)
23. pyrogen: Medical dictionary

Tech (1 matching dictionary)

24. Explosives (No longer online)

(Note: See pyrogens as well.)

Definitions from Wiktionary (pyrogen) ▸ noun:  (medicine) Any substance that produces fever, or a rise in body temperature Similar: pyrogenicity, pyretogenesis, pyrotoxin, apyrogenicity, pyroglobulin, inflammogen, remittent fever, fever clinic, cold, typhinia, more... Opposite: cryogen, hypothermic, cooling Phrases: endogenous pyrogen, leukocytic pyrogen, exogenous pyrogen, endogenous pyrogen (ep), more... Adjectives: endogenous, bacterial, leukocytic, human, exogenous, leucocyte, intravenous, leucocytic, purified, potent, independent ▸ Words similar to pyrogen ▸ Usage examples for pyrogen ▸ Idioms related to pyrogen ▸ Wikipedia articles (New!) ▸ Popular adjectives describing pyrogen ▸ Words that often appear near pyrogen ▸ Rhymes of pyrogen ▸ Invented words related to pyrogen