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holoplankton

[hol-uh-plangk-tuh n, hoh-luh-]
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noun
  1. plankton that spend their entire life cycle as free-swimming organisms (opposed to hemiplankton).

Origin of holoplankton

Related formshol·o·plank·ton·ic [hol-oh-plangk-ton-ik, hoh-loh-] /ˌhɒl oʊ plæŋkˈtɒn ɪk, ˌhoʊ loʊ-/, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for holoplankton

holoplankton

noun
  1. organisms, such as diatoms and algae, that spend all stages of their life cycle as planktonCompare meroplankton
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

holoplankton in Science

holoplankton

[hŏl′ə-plăngktən, hō′lə-]
  1. Plankton that remains free-swimming through all stages of its life cycle.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.