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We found 37 dictionaries with English definitions that include the word tropism:
Click on the first link on a line below to go directly to a page where "tropism" is defined.

General (24 matching dictionaries)

1. -tropism, tropism: Merriam-Webster.com [home, info]
2. tropism: Oxford Dictionaries [home, info]
3. tropism: American Heritage Dictionary of the English Language [home, info]
4. -tropism, tropism: Collins English Dictionary [home, info]
5. tropism: Vocabulary.com [home, info]
6. Tropism, tropism: Wordnik [home, info]
7. -tropism, tropism: Wiktionary [home, info]
8. -tropism, tropism: Webster's New World College Dictionary, 4th Ed. [home, info]
9. -tropism, tropism: The Wordsmyth English Dictionary-Thesaurus [home, info]
10. tropism: Infoplease Dictionary [home, info]
11. -tropism, tropism: Dictionary.com [home, info]
12. tropism: Online Etymology Dictionary [home, info]
13. tropism: UltraLingua English Dictionary [home, info]
14. Tropism: Wikipedia, the Free Encyclopedia [home, info]
15. tropism: Rhymezone [home, info]
16. tropism: Hutchinson's Dictionary of Difficult Words [home, info]
17. tropism: Free Dictionary [home, info]
18. tropism: Hutchinson Dictionaries [home, info]
19. tropism: The Phrontistery - A Dictionary of Obscure Words [home, info]
20. tropism: Luciferous Logolepsy [home, info]
21. tropism: Mnemonic Dictionary [home, info]
22. tropism: WordNet 1.7 Vocabulary Helper [home, info]
23. tropism: LookWAYup Translating Dictionary/Thesaurus [home, info]
24. tropism: Dictionary/thesaurus [home, info]

Art (1 matching dictionary)

25. -tropism: A Cross Reference of Latin and Greek Elements [home, info]

Computing (1 matching dictionary)

26. tropism: Encyclopedia [home, info]

Medicine (8 matching dictionaries)

27. Tropism: AIDSinfo Glossary [home, info]
28. Tropism: Medical Dictionary [home, info]
29. tropism: online medical dictionary [home, info]
30. TROPISM: Probert Encyclopaedia of Medicine [home, info]
31. Tropism: Hepatitis C Information Central [home, info]
32. Tropism: AIDS Medical Glossary and Drug Chart [home, info]
33. tropism: Glossary of HIV/AIDS Related Terms [home, info]
34. -tropism, tropism: Medical dictionary [home, info]

Miscellaneous (1 matching dictionary)

35. tropism: Wordcraft Dictionary [home, info]

Science (2 matching dictionaries)

36. Tropism: Drug Discovery and Development [home, info]
37. tropism: Botanical Terms [home, info]

(Note: See tropistic for more definitions.)

Quick definitions from WordNet (tropism) ▸ noun:  an involuntary orienting response; positive or negative reaction to a stimulus source ▸ Also see tropistic ▸ Word origin ▸ Words similar to tropism ▸ Usage examples for tropism ▸ Popular adjectives describing tropism ▸ Words that often appear near tropism ▸ Rhymes of tropism ▸ Invented words related to tropism