We found 19 dictionaries that define the word allelopathy:

General (11 matching dictionaries)

1. allelopathy: Merriam-Webster
2. allelopathy: Oxford Learner's Dictionaries
3. allelopathy: American Heritage Dictionary of the English Language
4. allelopathy: Collins English Dictionary
5. allelopathy: Wiktionary
6. allelopathy: Webster's New World College Dictionary, 4th Ed.
7. allelopathy: Infoplease Dictionary
8. allelopathy: Dictionary.com
9. Allelopathy: Wikipedia, the Free Encyclopedia
10. allelopathy: TheFreeDictionary.com
11. allelopathy: Merriam-Webster

Computing (1 matching dictionary)

12. allelopathy: Encyclopedia

Medicine (2 matching dictionaries)

13. online medical dictionary (No longer online)
14. allelopathy: Medical dictionary

Miscellaneous (1 matching dictionary)

15. allelopathy: Wordcraft Dictionary

Science (2 matching dictionaries)

16. Agricultural Thesaurus and Glossary (No longer online)
17. Botanical Terms (No longer online)

Slang (1 matching dictionary)

18. allelopathy: Urban Dictionary

Tech (1 matching dictionary)

19. Lake and Water Word Glossary (No longer online)

(Note: See allelopathic as well.)

Definitions from Wiktionary (allelopathy) ▸ noun:  The release by a plant of a toxin to suppress growth of nearby competing plants. Similar: phytocide, phytoalexin, phytoncide, phytoanticipin, phytotoxicant, allopathy, paclobutrazol, phaseolotoxin, weedkiller, phytoallexin, more... Opposite: sympatry, mutualism, cooperation ▸ Words similar to allelopathy ▸ Usage examples for allelopathy ▸ Idioms related to allelopathy ▸ Wikipedia articles (New!) ▸ Popular adjectives describing allelopathy ▸ Words that often appear near allelopathy ▸ Rhymes of allelopathy ▸ Invented words related to allelopathy