We found 32 dictionaries that define the word fibril:

General (20 matching dictionaries)

1. fibril: Merriam-Webster
2. fibril: Oxford Learner's Dictionaries
3. fibril: American Heritage Dictionary of the English Language
4. fibril: Collins English Dictionary
5. fibril: Vocabulary.com
6. fibril: Wordnik
7. fibril: Wiktionary
8. fibril: Webster's New World College Dictionary, 4th Ed.
9. fibril: The Wordsmyth English Dictionary-Thesaurus
10. fibril: Infoplease Dictionary
11. fibril: Dictionary.com
12. Fibril: Wikipedia, the Free Encyclopedia
13. Fibril: Online Plain Text English Dictionary
14. fibril: Webster's Revised Unabridged, 1913 Edition
15. fibril: Rhymezone
16. Fibril: AllWords.com Multi-Lingual Dictionary
17. fibril: Webster's 1828 Dictionary
18. fibril: FreeDictionary.org
19. fibril: Mnemonic Dictionary
20. fibril: TheFreeDictionary.com

Art (1 matching dictionary)

21. fibril-: A Cross Reference of Latin and Greek Elements

Computing (1 matching dictionary)

22. fibril: Encyclopedia

Medicine (6 matching dictionaries)

23. fibril: Merriam-Webster Medical Dictionary
24. Dorland's Illustrated Medical Dictionary (No longer online)
25. Fibril: MedTerms.com Medical Dictionary
26. online medical dictionary (No longer online)
27. fibril: Medical dictionary
28. Fibril: Drug Medical Dictionary

Science (2 matching dictionaries)

29. Botanical Terms (No longer online)
30. Bryological (No longer online)

Tech (2 matching dictionaries)

31. National Weather Service Glossary (No longer online)
32. SOLAR-TERRESTRIAL TERMS (No longer online)

(Note: See fibrillar as well.)

Definitions from Wiktionary (fibril) ▸ noun:  A fine fibre or filament. ▸ noun:  (biology) Any fine, filamentous structure in animals or plants. Similar: strand, filament, fiber, single, twire, string, floss, film, fillet, monofilament, more... Opposite: non-fibril, smooth, straight, unbranched Types: collagen, elastin, more... Phrases: muscle fibril, more... Adjectives: single, elementary, native, dentinal, amyloid, fine, striated, same, individual, axial, nervous ▸ Words similar to fibril ▸ Usage examples for fibril ▸ Idioms related to fibril ▸ Wikipedia articles (New!) ▸ Popular adjectives describing fibril ▸ Words that often appear near fibril ▸ Rhymes of fibril ▸ Invented words related to fibril