We found 51 dictionaries that define the word pathogen:

General (20 matching dictionaries)

1. pathogen: Longman Dictionary of Contemporary English
2. pathogen: Merriam-Webster
3. pathogen: Oxford Learner's Dictionaries
4. pathogen: American Heritage Dictionary of the English Language
5. pathogen: Collins English Dictionary
6. pathogen: Vocabulary.com
7. Pathogen, pathogen: Wordnik
8. pathogen: Cambridge Advanced Learner's Dictionary
9. pathogen: Wiktionary
10. pathogen: Webster's New World College Dictionary, 4th Ed.
11. pathogen: The Wordsmyth English Dictionary-Thesaurus
12. pathogen: Infoplease Dictionary
13. pathogen: Dictionary.com
14. Pathogen (Made of Hate album), Pathogen (Two Steps from Hell album), Pathogen (disambiguation), Pathogen (film), Pathogen: Wikipedia, the Free Encyclopedia
15. pathogen: Rhymezone
16. pathogen: FreeDictionary.org
17. pathogen: Mnemonic Dictionary
18. pathogen: TheFreeDictionary.com

Computing (1 matching dictionary)

19. pathogen: Encyclopedia

Medicine (15 matching dictionaries)

20. pathogen: Merriam-Webster Medical Dictionary
21. Dorland's Illustrated Medical Dictionary (No longer online)
22. Pathogen: MedTerms.com Medical Dictionary
23. AIDSinfo Glossary (No longer online)
24. online medical dictionary (No longer online)
25. Pathogen: HIV/AIDS Glossary
26. Probert Encyclopaedia of Medicine (No longer online)
27. Hepatitis C Information Central (No longer online)
28. Multiple Sclerosis Encyclopaedia (No longer online)
29. AIDS Medical Glossary and Drug Chart (No longer online)
30. pathogen: Parents' Common Sense Encyclopedia
31. pathogen: Medical dictionary
32. Rudy's List of Archaic Medical Terms (No longer online)
33. Pathogen: Drug Medical Dictionary
34. Hyperdictionary (No longer online)

Miscellaneous (1 matching dictionary)

35. Glossary of Terrorism Terms (No longer online)

Science (6 matching dictionaries)

36. Drug Discovery and Development (No longer online)
37. Botanical Terms (No longer online)
38. Biological Control (No longer online)
39. pathogen: Evolution Glossary
40. AGRICULTURAL AND ENVIRONMENTAL BIOTECHNOLOGY (No longer online)
41. Biodiversity (No longer online)

Sports (1 matching dictionary)

42. Cat Terms (No longer online)

Tech (7 matching dictionaries)

43. Dairy Glossary (No longer online)
44. DOD Dictionary of Military Terms (No longer online)
45. Lake and Water Word Glossary (No longer online)
46. PATHOGEN: Glossary of Composting Terms
47. Washington State Definitions and Abbreviations of Vetrinary Terms (No longer online)
48. Water-Science Glossary of Terms (No longer online)
49. Glossary of Water Resource Terms (No longer online)

(Note: See pathogens as well.)

Definitions from Wiktionary ( ) ▸ noun:  (pathology, immunology) An agent that can cause disease, especially an infectious microorganism, such as a bacterium, virus, protozoon or fungus. Similar: pathogene, germ, biopathogen, hemopathogen, pathoantigen, infection, periopathogen, infectious agent, microbe, immunopathogen, more... Opposite: disinfectant, antiseptic, germicide Types: bacteria, virus, fungus, protozoa, helminth, more... Phrases: plant pathogen, opportunistic pathogen, pathogen inactivation, specific pathogen free, pathogen risk factors, more... Adjectives: common, human, bacterial, important, opportunistic, specific, fungal, major, particular, potential, primary Colors:     green,     yellow,     brown,     black,     gray, more... ▸ Words similar to pathogen ▸ Usage examples for pathogen ▸ Idioms related to pathogen ▸ Wikipedia articles (New!) ▸ Popular adjectives describing pathogen ▸ Words that often appear near pathogen ▸ Rhymes of pathogen ▸ Invented words related to pathogen