circa 1910, in the meaning defined above
epi- + Greek límnē "standing water, pool, marshy lake" + -ion, noun suffix — more at limnetic
See note at hypolimnion.
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Cite this Entry
“Epilimnion.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/epilimnion. Accessed 10 Aug. 2022.
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