We found 20 dictionaries that define the word opportunistic infection:

General (10 matching dictionaries)

1. opportunistic infection: American Heritage Dictionary of the English Language
2. opportunistic infection: Vocabulary.com
3. opportunistic infection: Cambridge Advanced Learner's Dictionary
4. opportunistic infection: Wiktionary
5. opportunistic infection: Dictionary.com
6. Opportunistic infection: Wikipedia, the Free Encyclopedia
7. opportunistic infection: Rhymezone
8. opportunistic infection: Free Dictionary
9. opportunistic infection: Mnemonic Dictionary
10. opportunistic infection: Dictionary/thesaurus

Business (1 matching dictionary)

11. opportunistic infection: Legal dictionary

Computing (1 matching dictionary)

12. opportunistic infection: Encyclopedia

Medicine (8 matching dictionaries)

13. Dorland's Illustrated Medical Dictionary (No longer online)
14. Infection, opportunistic, Opportunistic infection: MedTerms.com Medical Dictionary
15. AIDSinfo Glossary (No longer online)
16. AIDS Medical Glossary and Drug Chart (No longer online)
17. opportunistic infection: Dictionary of Cancer Terms
18. opportunistic infection: Medical dictionary
19. Infection, opportunistic, Opportunistic infection: Drug Medical Dictionary
20. Hyperdictionary (No longer online)

(Note: See opportunistic_infections as well.)

Definitions from Wiktionary (opportunistic infection) ▸ noun:  (medicine) Any infection that causes disease and occurs only when the host's immune system is impaired. Similar: immunocompromization, immunocompromisation, immunocompromise, secondary infection, secondary immunodeficiency, immunopathology, infectious disease, infectionist, pneumocytosis, infection, more... Opposite: primary infection ▸ Words similar to opportunistic infection ▸ Usage examples for opportunistic infection ▸ Idioms related to opportunistic infection ▸ Wikipedia articles (New!) ▸ Words that often appear near opportunistic infection ▸ Rhymes of opportunistic infection ▸ Invented words related to opportunistic infection