We found 35 dictionaries that define the word prn:

General (16 matching dictionaries)

1. prn: Merriam-Webster
2. p.r.n: Oxford Learner's Dictionaries
3. p.r.n: American Heritage Dictionary of the English Language
4. prn: Collins English Dictionary
5. PRN: Vocabulary.com
6. prn: Wordnik
7. PRN: Wiktionary
8. p.r.n: Webster's New World College Dictionary, 4th Ed.
9. p.r.n: Infoplease Dictionary
10. PRN, p.r.n: Dictionary.com
11. PRN: Wikipedia, the Free Encyclopedia
12. Prn: Rhymezone
13. PRN: Stammtisch Beau Fleuve Acronyms
14. prn: FreeDictionary.org
15. prn: Mnemonic Dictionary
16. p.r.n, p.r.n, prn: TheFreeDictionary.com

Computing (2 matching dictionaries)

17. BABEL: Computer Oriented Abbreviations and Acronyms (No longer online)
18. PRN, p.r.n: Encyclopedia

Medicine (12 matching dictionaries)

19. prn: Merriam-Webster Medical Dictionary
20. Dorland's Illustrated Medical Dictionary (No longer online)
21. p.r.n: MedTerms.com Medical Dictionary
22. PRN: UK Medical Acronyms
23. PRN: MedFriendly Glossary
24. online medical dictionary (No longer online)
25. Lay Terms for Consent Forms (No longer online)
26. Hepatitis C Information Central (No longer online)
27. AIDS Medical Glossary and Drug Chart (No longer online)
28. Glossary of HIV/AIDS Related Terms (No longer online)
29. p.r.n, p.r.n, prn: Medical dictionary
30. p.r.n: Drug Medical Dictionary

Miscellaneous (2 matching dictionaries)

31. PRN: Acronym Finder
32. AbbreviationZ (No longer online)

Slang (1 matching dictionary)

33. PRN (Punk Rock Nigger), PRN, pr()n: Urban Dictionary

Tech (2 matching dictionaries)

34. DOD Dictionary of Military Terms: Joint Acronyms and Abbreviations (No longer online)
35. Glossary of Agricultural Terms, Programs and Laws (No longer online)

Definitions from WordNet (Prn) ▸ adverb:  according to need (physicians use PRN in writing prescriptions) Opposite: scheduled, routine, regular, fixed Types: as needed, when needed, when necessary, on as needed basis, more... Adjectives: q4h, hourly, oral, rectum, normal, premenstrual, stomahesive, sedate, red, routine ▸ Words similar to prn ▸ Usage examples for prn ▸ Idioms related to prn ▸ Wikipedia articles (New!) ▸ Words that often appear near prn ▸ Rhymes of prn ▸ Invented words related to prn