We found 29 dictionaries that define the word hn:

General (16 matching dictionaries)

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

Art (1 matching dictionary)

17. Glossary of Stamp Collecting Terms (No longer online)

Business (3 matching dictionaries)

18. MoneyGlossary.com (No longer online)
19. HN: Bloomberg Financial Glossary
20. HN: Financial dictionary

Computing (2 matching dictionaries)

21. hn: Free On-line Dictionary of Computing
22. hn: Encyclopedia

Medicine (1 matching dictionary)

23. online medical dictionary (No longer online)

Miscellaneous (2 matching dictionaries)

24. Hn: Acronym Finder
25. AbbreviationZ (No longer online)

Science (2 matching dictionaries)

26. HN: Cytokines & Cells Online Pathfinder Encyclopaedia
27. hn: A Dictionary of Quaternary Acronyms and Abbreviations

Slang (1 matching dictionary)

28. H.N, H.N, HN: Urban Dictionary

Tech (1 matching dictionary)

29. DOD Dictionary of Military Terms: Joint Acronyms and Abbreviations (No longer online)

Definitions from Wiktionary (HN) ▸ noun:  (military, US, nautical) Abbreviation of hospitalman. [(military, US, nautical) A seaman who is also a hospital corpsman.] Similar: hydrazoic acid, azoimide, 2A, AA, B, B2, BB, BC, BL, c, more... Types: helium, neon, argon, krypton, xenon, radon, more... Phrases: on the other hn, more... ▸ Words similar to hn ▸ Usage examples for hn ▸ Idioms related to hn ▸ Wikipedia articles (New!) ▸ Popular adjectives describing hn ▸ Words that often appear near hn ▸ Rhymes of hn ▸ Invented words related to hn