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pleuston

[ ploo-stuhn, -ston ]
/ ˈplu stən, -stɒn /
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noun Biology.
a buoyant mat of weeds, algae, and associated organisms that floats on or near the surface of a lake, river, or other body of fresh water.
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Origin of pleuston

First recorded in 1905–10; from German Pleuston, from Greek pleûs(is) “a sailing” (from pleîn “to sail, go by sea”) + -ton, on the model of nekton, plankton

OTHER WORDS FROM pleuston

pleus·ton·ic [ploo-ston-ik], /pluˈstɒn ɪk/, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

British Dictionary definitions for pleuston

pleuston
/ (ˈpluːstən, -stɒn) /

noun
a mass of small organisms, esp algae, floating at the surface of shallow pools

Word Origin for pleuston

C20: from Greek pleusis sailing, from plein to sail; for form, compare plankton
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
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