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cryoplankton

[krahy-oh-plangk-tuh n]
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noun
  1. plankton that live in the icy waters and meltwaters of glacial or polar areas.

Origin of cryoplankton

First recorded in 1930–35; cryo- + plankton
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for cryoplankton

cryoplankton

noun
  1. minute organisms, esp algae, living in ice, snow, or icy water
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