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nekton

[nek-ton, -tuh n]
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noun
  1. the aggregate of actively swimming aquatic organisms in a body of water, able to move independently of water currents.

Origin of nekton

1890–95; < German, noun use of neuter of nēktós swimming (verbid of nḗchein to swim; see nectopod)
Related formsnek·ton·ic, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for nektonic

nekton

noun
  1. the population of free-swimming animals that inhabits the middle depths of a sea or lakeCompare plankton
Derived Formsnektonic, adjective

Word Origin

C19: via German from Greek nēkton a swimming thing, from nēkhein to swim
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

Word Origin and History for nektonic

nekton

1893, from German nekton (van Heusen, 1890), from Greek nekton, neuter of nektos "swimming," from nekhein "to swim" (see natatorium).

Online Etymology Dictionary, © 2010 Douglas Harper

nektonic in Science

nekton

[nĕktən, -tŏn′]
  1. The collection of marine and freshwater organisms that can swim freely and are generally independent of currents, ranging in size from microscopic organisms to whales. Compare benthos plankton.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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