We found 31 dictionaries that define the word polyurethane:

General (21 matching dictionaries)

1. polyurethane: Longman Dictionary of Contemporary English
2. polyurethane: Merriam-Webster
3. polyurethane: Oxford Learner's Dictionaries
4. polyurethane: American Heritage Dictionary of the English Language
5. polyurethane: Collins English Dictionary
6. polyurethane: Vocabulary.com
7. Polyurethane, polyurethane: Wordnik
8. polyurethane: Cambridge Advanced Learner's Dictionary
9. polyurethane: Wiktionary
10. polyurethane: Webster's New World College Dictionary, 4th Ed.
11. polyurethane: The Wordsmyth English Dictionary-Thesaurus
12. polyurethane: Infoplease Dictionary
13. polyurethane: Dictionary.com
14. polyurethane: Online Etymology Dictionary
15. Polyurethane: Wikipedia, the Free Encyclopedia
16. polyurethane: Rhymezone
17. polyurethane: FreeDictionary.org
18. polyurethane: Mnemonic Dictionary
19. polyurethane: TheFreeDictionary.com

Art (1 matching dictionary)

20. polyurethane: ArtLex Lexicon of Visual Art Terminology

Business (1 matching dictionary)

21. Construction Term Glossary (No longer online)

Computing (1 matching dictionary)

22. polyurethane: Encyclopedia

Medicine (1 matching dictionary)

23. polyurethane: Medical dictionary

Science (1 matching dictionary)

24. Archeological Collections Glossary (No longer online)

Tech (5 matching dictionaries)

25. AUTOMOTIVE TERMS (No longer online)
26. Roofing Terms (No longer online)
27. polyurethane: Construction deterioration & building durability glossary
28. Sweetwater Music (No longer online)
29. Washington State Definitions and Abbreviations of Vetrinary Terms (No longer online)

(Note: See polyurethanes as well.)

Definitions from Wiktionary ( ) ▸ noun:  (organic chemistry) Any of various polymeric resins containing urethane links; used in very many industrial and domestic applications. ▸ verb:  (transitive) To coat (a floor etc.) with polyurethane. Similar: urethane, polyurea, poly, polyesterurethane, polyisocyanate, urethan, polyisocyanurate, polymeride, diisocyanate, polyhydrocarbon, more... Phrases: polyurethane foam, Thermoplastic polyurethane, Polyurethane dispersion, Polyurethane laminate, more... Adjectives: based, segmented, rigid, thermoplastic, clear, flexible, foamed, linear, component, part, black Colors:     white,     black,     gray,     beige,     brown, more... ▸ Word origin ▸ Words similar to polyurethane ▸ Usage examples for polyurethane ▸ Idioms related to polyurethane ▸ Wikipedia articles (New!) ▸ Popular adjectives describing polyurethane ▸ Words that often appear near polyurethane ▸ Rhymes of polyurethane ▸ Invented words related to polyurethane