We found 32 dictionaries that define the word fibrillation:

General (19 matching dictionaries)

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

Art (1 matching dictionary)

20. English-Chinese Dictionary of Graphic Communications (Big 5) (No longer online)

Computing (1 matching dictionary)

21. fibrillation: Encyclopedia

Medicine (10 matching dictionaries)

22. fibrillation: Merriam-Webster Medical Dictionary
23. Dorland's Illustrated Medical Dictionary (No longer online)
24. Fibrillation: MedTerms.com Medical Dictionary
25. online medical dictionary (No longer online)
26. Lay Terms for Consent Forms (No longer online)
27. Probert Encyclopaedia of Medicine (No longer online)
28. Hepatitis C Information Central (No longer online)
29. fibrillation: Medical dictionary
30. Fibrillation: Drug Medical Dictionary
31. Hyperdictionary (No longer online)

Tech (1 matching dictionary)

32. Book Binding (No longer online)

(Note: See fibrillations as well.)

Definitions from Wiktionary (fibrillation) ▸ noun:  The rapid, irregular, and unsynchronized contraction of the muscle fibers of the heart. Similar: ventricular fibrillation, vfib, fibrillisation, v-fib, fasciculation, fibrilla, fibrilisation, defibrillator, fasciculate, muscle fiber, more... Opposite: normal rhythm, sinus rhythm, regular heartbeat Types: atrial fibrillation, atrial flutter, more... Phrases: atrial fibrillation, ventricular fibrillation, auricular fibrillation, fibrillation threshold, fibrillation atrial, more... Adjectives: atrial, auricular, ventricular, chronic, paroxysmal, primary, recurrent, induced, nonrheumatic, persistent, nonvalvular Colors:     crimson,     scarlet,     ruby,     burgundy,     maroon, more... ▸ Words similar to fibrillation ▸ Usage examples for fibrillation ▸ Idioms related to fibrillation ▸ Wikipedia articles (New!) ▸ Popular adjectives describing fibrillation ▸ Words that often appear near fibrillation ▸ Rhymes of fibrillation ▸ Invented words related to fibrillation