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epilimnion

American  
[ep-uh-lim-nee-on, -uhn] / ˌɛp əˈlɪm niˌɒn, -ən /

noun

plural

epilimnia

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

epilimnion British  
/ ˌɛpɪˈlɪmnɪən /

noun

  1. the upper 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

  • epilimnetic adjective
  • epilimnial adjective

Etymology

Origin of epilimnion

1905–10; epi- + Greek límnion small pond, diminutive of límnē pool, lake

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.