We found 22 dictionaries that define the word HEPA:

General (10 matching dictionaries)

1. HEPA: Merriam-Webster
2. HEPA: American Heritage Dictionary of the English Language
3. Hepa, hepa: Wordnik
4. HEPA: Wiktionary
5. HEPA: Dictionary.com
6. HEPA (disambiguation), HEPA, Hepa: Wikipedia, the Free Encyclopedia
7. Hepa: Rhymezone
8. HEPA: Stammtisch Beau Fleuve Acronyms
9. HEPA: TheFreeDictionary.com
10. HEPA: Merriam-Webster

Business (1 matching dictionary)

11. Construction Term Glossary (No longer online)

Computing (1 matching dictionary)

12. HEPA: Encyclopedia

Medicine (5 matching dictionaries)

13. HEPA: Merriam-Webster Medical Dictionary
14. HEPA: MedTerms.com Medical Dictionary
15. HEPA: Allergy Glossary of Terms
16. HEPA: Medical dictionary
17. HEPA: Drug Medical Dictionary

Miscellaneous (2 matching dictionaries)

18. HEPA: Acronym Finder
19. AbbreviationZ (No longer online)

Science (1 matching dictionary)

20. HEPA: Material Safety Data Sheets HyperGlossary

Slang (1 matching dictionary)

21. hepa: Urban Dictionary

Tech (1 matching dictionary)

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

Definitions from Wiktionary (HEPA) ▸ noun:  Acronym of high-efficiency particulate air filter. Similar: vacc, vac, Berkey, filter, microfilter, purifier, millipore, aspergillus, Dyson, brita, more... Types: H13, H14, H15, H16, H17, H18, H19, H20, H21, H22, more... Phrases: hepa filter, Kamaka Hepa, more... Adjectives: ebed, chronic, acute, non, infectious, human, partial ▸ Words similar to HEPA ▸ Usage examples for HEPA ▸ Idioms related to HEPA ▸ Wikipedia articles (New!) ▸ Popular adjectives describing HEPA ▸ Words that often appear near HEPA ▸ Rhymes of HEPA ▸ Invented words related to HEPA