[ puh-rif-i-ton ]
/ pəˈrɪf ɪˌtɒn /

noun Ecology.

the community of tiny organisms, as protozoans, hydras, insect larvae, and snails, that lives on the surfaces of rooted aquatic plants.

Origin of periphyton

1940–45; probably peri- + Greek phŷton plant, -phyte, on the model of plankton
Related formsper·i·phyt·ic [per-uh-fit-ik] /ˌpɛr əˈfɪt ɪk/, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for periphyton


/ (pəˈrɪfɪˌtɒn) /


aquatic organisms, such as certain algae, that live attached to rocks or other surfaces

Word Origin for periphyton

C20: from Greek, from peri- + phutos, from phuein to grow
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012