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We found 46 dictionaries with English definitions that include the word plankton:
Click on the first link on a line below to go directly to a page where "plankton" is defined.

General (28 matching dictionaries)

1. plankton: Merriam-Webster.com [home, info]
2. plankton: Oxford Dictionaries [home, info]
3. plankton: American Heritage Dictionary of the English Language [home, info]
4. plankton: Collins English Dictionary [home, info]
5. plankton: Vocabulary.com [home, info]
6. plankton: Macmillan Dictionary [home, info]
7. Plankton, plankton: Wordnik [home, info]
8. plankton: Cambridge Advanced Learner's Dictionary [home, info]
9. plankton: Wiktionary [home, info]
10. plankton: Webster's New World College Dictionary, 4th Ed. [home, info]
11. plankton: The Wordsmyth English Dictionary-Thesaurus [home, info]
12. plankton: Infoplease Dictionary [home, info]
13. plankton: Dictionary.com [home, info]
14. plankton: Online Etymology Dictionary [home, info]
15. plankton: UltraLingua English Dictionary [home, info]
16. Plankton (SpongeBob SquarePants), Plankton (Spongebob), Plankton (character), Plankton (disambiguation), Plankton: Wikipedia, the Free Encyclopedia [home, info]
17. plankton: Rhymezone [home, info]
18. plankton: Hutchinson's Dictionary of Difficult Words [home, info]
19. Plankton: Encarta® Online Encyclopedia, North American Edition [home, info]
20. Plankton: 1911 edition of the Encyclopedia Britannica [home, info]
21. plankton: Free Dictionary [home, info]
22. plankton: Hutchinson Dictionaries [home, info]
23. plankton: Mnemonic Dictionary [home, info]
24. plankton: WordNet 1.7 Vocabulary Helper [home, info]
25. plankton: LookWAYup Translating Dictionary/Thesaurus [home, info]
26. plankton: Dictionary/thesaurus [home, info]

Art (1 matching dictionary)

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

Computing (1 matching dictionary)

28. plankton: Encyclopedia [home, info]

Medicine (3 matching dictionaries)

29. Plankton: Medical Dictionary [home, info]
30. plankton: online medical dictionary [home, info]
31. plankton: Medical dictionary [home, info]

Science (9 matching dictionaries)

32. plankton: Agricultural Thesaurus and Glossary [home, info]
33. plankton: Botanical Terms [home, info]
34. plankton: Tree of Life Glossary [home, info]
35. plankton: Dictionary of Geology [home, info]
36. Plankton: USGS Paleontology Glossary of Terms [home, info]
37. plankton: Evolution Glossary [home, info]
38. Plankton: Atmospheric Chemistry and Air Quality [home, info]
39. plankton: Natural History Terms [home, info]
40. Plankton: Geography Dictionary [home, info]

Slang (1 matching dictionary)

41. Plankton: Urban Dictionary [home, info]

Tech (3 matching dictionaries)

42. PLANKTON: Lake and Water Word Glossary [home, info]
43. plankton: Schlumberger Oilfield Glossary [home, info]
44. plankton: Glossary of Water Resource Terms [home, info]

(Note: See planktoning for more definitions.)

Quick definitions from Macmillan ( ) Provided by Quick definitions from WordNet (plankton) ▸ noun:  the aggregate of small plant and animal organisms that float or drift in great numbers in fresh or salt water ▸ Also see planktoning ▸ Word origin ▸ Words similar to plankton ▸ Usage examples for plankton ▸ Popular adjectives describing plankton ▸ Words that often appear near plankton ▸ Rhymes of plankton ▸ Invented words related to plankton