We found 16 dictionaries that define the word planktonic:

General (12 matching dictionaries)

1. planktonic: Merriam-Webster
2. planktonic: Oxford Learner's Dictionaries
3. planktonic: Collins English Dictionary
4. planktonic: Vocabulary.com
5. planktonic: Wordnik
6. planktonic: Wiktionary
7. planktonic: Dictionary.com
8. Planktonic: Wikipedia, the Free Encyclopedia
9. planktonic: Rhymezone
10. planktonic: FreeDictionary.org
11. planktonic: Mnemonic Dictionary
12. planktonic: TheFreeDictionary.com

Computing (1 matching dictionary)

13. planktonic: Encyclopedia

Medicine (2 matching dictionaries)

14. online medical dictionary (No longer online)
15. planktonic: Medical dictionary

Science (1 matching dictionary)

16. Planktonic: USGS Paleontology Glossary of Terms

(Note: See plankton as well.)

Definitions from Wiktionary (planktonic) ▸ adjective:  Of or pertaining to plankton. ▸ adjective:  Floating in the open sea rather than living on the seafloor. Similar: zooplanktonic, planctonic, meroplanktonic, picoplanktonic, planktonological, planktological, holoplanktonic, aeroplanktonic, ichthyoplanktonic, nanoplanktonic, more... Opposite: benthic, sessile, attached Types: diatom, phytoplankton, zooplankton, krill, copepod, pontellid, more... Phrases: planktonic algae, planktonic crustaceans, more... Adjectives: marine, other, many, small, abundant, freshwater, various, common, modern, non, bacteria Colors:     seafoam,     turquoise,     aquamarine,     teal,     cyan, more... ▸ Words similar to planktonic ▸ Usage examples for planktonic ▸ Idioms related to planktonic ▸ Wikipedia articles (New!) ▸ Popular nouns described by planktonic ▸ Words that often appear near planktonic ▸ Rhymes of planktonic ▸ Invented words related to planktonic