pleustonic

pleuston

[ploo-stuhn, -ston]
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.

Origin:
1940–45; pleus- (< Greek pleûs(is) sailing, or pleus- aorist stem of pleîn to sail, go by sea) + -ton, on the model of nekton, plankton

pleustonic [ploo-ston-ik] , adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source Link To pleustonic
Collins
World English Dictionary
pleuston (ˈpluːstən, -stɒn)
 
n
a mass of small organisms, esp algae, floating at the surface of shallow pools
 
[C20: from Greek pleusis sailing, from plein to sail; for form, compare plankton]

pleustonic (pluːˈstɒnɪk)
 
adj
1.  of or relating to pleuston
2.  denoting a marine organism held at the surface of the water by a float, such as the Portuguese man-of-war

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
Copyright © 2014 Dictionary.com, LLC. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature