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hypolimnion

American  
[hahy-puh-lim-nee-on, -nee-uhn, hip-uh-] / ˌhaɪ pəˈlɪm niˌɒn, -ni ən, ˌhɪp ə- /

noun

plural

hypolimnia

  1. (in certain lakes) the layer of water below the thermocline.

hypolimnion British  
/ ˌhaɪpəʊˈlɪmnɪən /

noun

  1. the lower and colder layer of water in a lake

"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

Other Word Forms

  • hypolimnetic adjective
  • hypolimnial adjective

Etymology

Origin of hypolimnion

1905–10; hypo- + Greek límn ( ē ) lake + -ion diminutive noun suffix

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.