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The collection of organisms, such as algae and bacteria, that live on the surface of submerged plants and other underwater objects.
[New Latin, from Greek periphuton, from neuter sing. of periphutos, planted all over, from periphuein, to grow around, cling to : peri-, peri- + phuein, to grow; see bheuə- in Indo-European roots.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
(Environmental Science) aquatic organisms, such as certain algae, that live attached to rocks or other surfaces
[C20: from Greek, from peri- + phutos, from phuein to grow]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
the community of tiny organisms, as hydras and snails, that lives on the tops of rooted aquatic plants.
per•i•phyt•ic (ˌpɛr əˈfɪt ɪk) adj.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.