We found 45 dictionaries that define the word prophylaxis:

General (22 matching dictionaries)

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

Business (2 matching dictionaries)

21. Prophylaxis: Glossary of Health Care Terms
22. prophylaxis: Legal dictionary

Computing (1 matching dictionary)

23. prophylaxis: Encyclopedia

Medicine (19 matching dictionaries)

24. prophylaxis: Merriam-Webster Medical Dictionary
25. Dorland's Illustrated Medical Dictionary (No longer online)
26. Prophylaxis: MedTerms.com Medical Dictionary
27. Orthodontic Terms (No longer online)
28. AIDSinfo Glossary (No longer online)
29. Breast Cancer Talking Dictionary (No longer online)
30. online medical dictionary (No longer online)
31. Prophylaxis: HIV/AIDS Glossary
32. Lay Terms for Consent Forms (No longer online)
33. Hepatitis C Information Central (No longer online)
34. Allergy Glossary (No longer online)
35. AIDS Medical Glossary and Drug Chart (No longer online)
36. prophylaxis: Dictionary of Cancer Terms
37. Glossary of HIV/AIDS Related Terms (No longer online)
38. prophylaxis: Medical dictionary
39. Oral Health Definitions for Non-Dentists (No longer online)
40. WeMove Glossary of Terms (No longer online)
41. Prophylaxis: Drug Medical Dictionary
42. Hyperdictionary (No longer online)

Miscellaneous (1 matching dictionary)

43. prophylaxis: A Word A Day

(Note: See prophylaxes as well.)

Definitions from Wiktionary ( ) ▸ noun:  (medicine) Prevention of, or protective treatment for, disease. ▸ noun:  (chess) A move or strategy that frustrates an opponent's plan or tactic. Similar: pharmacoprophylaxis, thromboprophylactic, thromboprophylaxis, synteresis, chemoprophylaxis, chemophrophylaxis, homeoprophylaxis, protectant, thrombophylaxis, metaprophylaxis, more... Phrases: antibiotic prophylaxis, primary prophylaxis, secondary prophylaxis, oral prophylaxis, dental prophylaxis, more... Adjectives: antibiotic, antimicrobial, oral, term, effective, primary, secondary, routine, dental, surgical, tetanus Colors:     blue,     white,     green,     teal,     aqua, more... ▸ Words similar to prophylaxis ▸ Usage examples for prophylaxis ▸ Idioms related to prophylaxis ▸ Wikipedia articles (New!) ▸ Popular adjectives describing prophylaxis ▸ Words that often appear near prophylaxis ▸ Rhymes of prophylaxis ▸ Invented words related to prophylaxis