We found 19 dictionaries that define the word fibrillate:

General (14 matching dictionaries)

1. fibrillate: Merriam-Webster
2. fibrillate: Oxford Learner's Dictionaries
3. fibrillate: American Heritage Dictionary of the English Language
4. fibrillate: Collins English Dictionary
5. fibrillate: Vocabulary.com
6. fibrillate: Wordnik
7. fibrillate: Wiktionary
8. fibrillate: Webster's New World College Dictionary, 4th Ed.
9. fibrillate: Infoplease Dictionary
10. fibrillate: Dictionary.com
11. fibrillate: Rhymezone
12. fibrillate: FreeDictionary.org
13. fibrillate: Mnemonic Dictionary
14. fibrillate: TheFreeDictionary.com

Computing (1 matching dictionary)

15. fibrillate: Encyclopedia

Medicine (3 matching dictionaries)

16. fibrillate: Merriam-Webster Medical Dictionary
17. online medical dictionary (No longer online)
18. fibrillate: Medical dictionary

Science (1 matching dictionary)

19. Botanical Terms (No longer online)

(Note: See fibrillated as well.)

Definitions from Wiktionary (fibrillate) ▸ verb:  (intransitive) To make rapid irregular movements. Similar: flutter, defibrate, flicker, vibrate, flail, flitter, flurry, vellicate, fike, fribble, more... ▸ Words similar to fibrillate ▸ Usage examples for fibrillate ▸ Idioms related to fibrillate ▸ Wikipedia articles (New!) ▸ Words that often appear near fibrillate ▸ Rhymes of fibrillate ▸ Invented words related to fibrillate