51Թ

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pleuston

[ploo-stuhn, -ston]

noun

Biology.

  1. 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.

pleuston

/ -stɒn, ˈpluːstən /

noun

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

“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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Other 51Թ Forms

  • pleustonic adjective
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51Թ History and Origins

Origin of pleuston1

First recorded in 1905–10; from German Pleuston, from Greek û() “a sailing” (from î “to sail, go by sea”) + -ton, on the model of nekton, plankton
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51Թ History and Origins

Origin of pleuston1

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

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