We found 36 dictionaries that define the word chitin:

General (21 matching dictionaries)

1. chitin: Merriam-Webster
2. chitin: Oxford Learner's Dictionaries
3. chitin: Collins English Dictionary
4. chitin: Vocabulary.com
5. Chitin, chitin: Wordnik
6. chitin: Cambridge Advanced Learner's Dictionary
7. chitin: Wiktionary
8. chitin: Webster's New World College Dictionary, 4th Ed.
9. chitin: The Wordsmyth English Dictionary-Thesaurus
10. chitin: Infoplease Dictionary
11. chitin: Dictionary.com
12. chitin: Online Etymology Dictionary
13. Chitin: Wikipedia, the Free Encyclopedia
14. Chitin: Online Plain Text English Dictionary
15. chitin: Webster's Revised Unabridged, 1913 Edition
16. chitin: Rhymezone
17. Chitin: AllWords.com Multi-Lingual Dictionary
18. chitin: Stammtisch Beau Fleuve Acronyms
19. chitin: FreeDictionary.org
20. chitin: Mnemonic Dictionary
21. chitin: TheFreeDictionary.com

Computing (1 matching dictionary)

22. chitin: Encyclopedia

Medicine (7 matching dictionaries)

23. chitin: Merriam-Webster Medical Dictionary
24. Dorland's Illustrated Medical Dictionary (No longer online)
25. Medical Dictionary (No longer online)
26. online medical dictionary (No longer online)
27. Probert Encyclopaedia of Medicine (No longer online)
28. chitin: Dictionary of Cancer Terms
29. chitin: Medical dictionary

Miscellaneous (1 matching dictionary)

30. chitin: Wordcraft Dictionary

Science (3 matching dictionaries)

31. Botanical Terms (No longer online)
32. Glossary of Entomology (No longer online)
33. chitin: Natural History Terms

Slang (1 matching dictionary)

34. chitin: Urban Dictionary

Tech (2 matching dictionaries)

35. chitin: Canadian Soil Information System
36. Pool Glossary (No longer online)

(Note: See chitinous as well.)

Definitions from Wiktionary (chitin) ▸ noun:  (biochemistry) A complex polysaccharide, a polymer of N-acetylglucosamine, found in the exoskeletons of arthropods and in the cell walls of fungi; thought to be responsible for some forms of asthma in humans. Similar: chitosaccharide, hexachitose, chitohexose, chitosan, chitopentaose, chitodextrin, chitodisaccharide, chitooligosaccharide, chondrosin, chitooligomer, more... Types: alpha-chitin, beta-chitin, gamma-chitin, delta-chitin, epsilon-chitin, zeta-chitin, more... Phrases: chitin synthase, chitin synthase inhibitors, more... Adjectives: deacetylated, pure, hard, fungal, thin, soluble, crustacean, more, thick, flexible, dark Colors:     amber,     beige,     brown,     chestnut,     copper, more... ▸ Word origin ▸ Words similar to chitin ▸ Usage examples for chitin ▸ Idioms related to chitin ▸ Wikipedia articles (New!) ▸ Popular adjectives describing chitin ▸ Words that often appear near chitin ▸ Rhymes of chitin ▸ Invented words related to chitin