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cryoplankton

American  
[krahy-oh-plangk-tuhn] / ˌkraɪ oʊˈplæŋk tən /

noun

  1. plankton that live in the icy waters and meltwaters of glacial or polar areas.

cryoplankton British  
/ ˌkraɪəʊˈplæŋktən /

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

Etymology

Origin of cryoplankton

First recorded in 1930–35; cryo- + plankton

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.