follow Dictionary.com

It’s about time. We are now on Instagram!

pleuston

[ploo-stuh n, -ston] /ˈplu stən, -stɒn/
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.
Origin
1940-1945
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
Related forms
pleustonic
[ploo-ston-ik] /pluˈstɒn ɪk/ (Show IPA),
adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source
British Dictionary definitions for pleustonic

pleustonic

/pluːˈstɒnɪk/
adjective
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

pleuston

/ˈpluːstən; -stɒn/
noun
1.
a mass of small organisms, esp algae, floating at the surface of shallow pools
Word Origin
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
Cite This Source

Word of the Day

Difficulty index for pleuston

Few English speakers likely know this word

Word Value for pleustonic

14
0
Scrabble Words With Friends