We found 16 dictionaries that define the word periphyton:

General (10 matching dictionaries)

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

Computing (1 matching dictionary)

11. periphyton: Encyclopedia

Medicine (1 matching dictionary)

12. online medical dictionary (No longer online)

Science (3 matching dictionaries)

13. Agricultural Thesaurus and Glossary (No longer online)
14. Botanical Terms (No longer online)
15. periphyton: Natural History Terms

Tech (1 matching dictionary)

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

(Note: See periphytic as well.)

Definitions from Wiktionary (periphyton) ▸ noun:  (ecology) A mixture of algae, cyanobacteria, heterotrophic microbes, and detritus that is attached to submerged surfaces in most aquatic ecosystems. Similar: phytoperiphyton, epiphyton, periphytivore, phytobenthos, phytodetritus, epipelon, phytoplankton bloom, perilithon, planktophyte, picobiliphyte, more... Opposite: plankton, benthos, nekton ▸ Words similar to periphyton ▸ Usage examples for periphyton ▸ Idioms related to periphyton ▸ Wikipedia articles (New!) ▸ Popular adjectives describing periphyton ▸ Words that often appear near periphyton ▸ Rhymes of periphyton ▸ Invented words related to periphyton