We found 40 dictionaries that define the word pesticide:

General (22 matching dictionaries)

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

Business (1 matching dictionary)

21. BusinessDictionary.com (No longer online)

Computing (1 matching dictionary)

22. pesticide: Encyclopedia

Medicine (7 matching dictionaries)

23. pesticide: Merriam-Webster Medical Dictionary
24. Dorland's Illustrated Medical Dictionary (No longer online)
25. Pesticide: MedTerms.com Medical Dictionary
26. online medical dictionary (No longer online)
27. pesticide: Dictionary of Cancer Terms
28. pesticide: Medical dictionary
29. Pesticide: Drug Medical Dictionary

Science (3 matching dictionaries)

30. Pesticide: Biology dictionary
31. Biological Control (No longer online)
32. AGRICULTURAL AND ENVIRONMENTAL BIOTECHNOLOGY (No longer online)

Slang (1 matching dictionary)

33. The pesticide: Urban Dictionary

Tech (5 matching dictionaries)

34. Agriculture Glossary (No longer online)
35. UNDERSTANDING FORESTRY TERMS -- FOR PRIVATE LANDOWNERS (No longer online)
36. PESTICIDE: NATURAL RESOURCE INVENTORY
37. Glossary of Agricultural Terms, Programs and Laws (No longer online)
38. Lake and Water Word Glossary (No longer online)

(Note: See pesticides as well.)

Definitions from Wiktionary ( ) ▸ noun:  Anything, especially a synthetic substance but also any substance (e.g. sulfur), or virus, bacterium, or other organism, which kills or suppresses the activities of pests. Similar: biopesticide, bugicide, parasiticide, arrestant, aphidicide, pupacide, disinfestant, phytocide, insecticide, fungicide, more... Opposite: herbicide Types: herbicide, insecticide, fungicide, rodenticide, nematicide, miticide, acaricide, avicide, more... Phrases: pesticide residues, Pesticide residue, Pesticide poisoning, Pesticide resistance, pesticide management, more... Adjectives: new, particular, toxic, organophosphate, natural, less, microbial, more, organic, liquid, agricultural Colors:     green,     yellow,     orange,     red,     brown, more... ▸ Word origin ▸ Words similar to pesticide ▸ Usage examples for pesticide ▸ Idioms related to pesticide ▸ Wikipedia articles (New!) ▸ Popular adjectives describing pesticide ▸ Words that often appear near pesticide ▸ Rhymes of pesticide ▸ Invented words related to pesticide