We found 34 dictionaries that define the word lignin:

General (18 matching dictionaries)

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

Art (2 matching dictionaries)

19. English-Chinese Dictionary of Graphic Communications (Big 5) (No longer online)
20. ODLIS: Online Dictionary of Library and Information Science (No longer online)

Computing (1 matching dictionary)

21. lignin: Encyclopedia

Medicine (5 matching dictionaries)

22. lignin: Merriam-Webster Medical Dictionary
23. Medical Dictionary (No longer online)
24. online medical dictionary (No longer online)
25. Hepatitis C Information Central (No longer online)
26. lignin: Medical dictionary

Science (2 matching dictionaries)

27. Botanical Terms (No longer online)
28. Fishkeeping glossary (No longer online)

Tech (6 matching dictionaries)

29. Book Binding (No longer online)
30. Dairy Glossary (No longer online)
31. Lignin: Glossary of Paper Terms
32. Paper Making (No longer online)
33. Schlumberger Oilfield Glossary (No longer online)
34. LIGNIN: Glossary of Composting Terms

(Note: See lignins as well.)

Definitions from Wiktionary (lignin) ▸ noun:  (organic chemistry) A complex non-carbohydrate aromatic polymer present in all wood. Similar: lignine, lignol, lignoid, lignone, lignocellulose, ligninification, lignan, lignostilbene, lignane, monolignol, more... Opposite: delignification, delignify Types: cellulose, hemicellulose, xylan, guaiacyl, syringyl, more... Phrases: lignin peroxidase, lignin sulfonate, more... Adjectives: native, residual, isolated, soluble, more, acid, hydrochloric, original, less, synthetic, insoluble Colors:     brown,     dark brown,     tan,     beige,     chestnut, more... ▸ Words similar to lignin ▸ Usage examples for lignin ▸ Idioms related to lignin ▸ Wikipedia articles (New!) ▸ Popular adjectives describing lignin ▸ Words that often appear near lignin ▸ Rhymes of lignin ▸ Invented words related to lignin