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[ep-ee-puh-laj-ik] /ˌɛp i pəˈlædʒ ɪk/
of or relating to the stratum of the oceanic zone where enough light is present for photosynthesis to occur.
Origin of epipelagic
1935-40; epi- + pelagic Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for epipelagic
  • Compare that measurement to the depths of the shallowest parts of the ocean, such as the intertidal zone and the epipelagic zone.
  • The epipelagic zone is also known as the photic or euphotic zone, and can exist in lakes as well as the ocean.
  • Also referred to as the sunlight zone or the epipelagic zone.
  • The epipelagic zone extends from the surface downward as far as sunlight penetrates during the day.
British Dictionary definitions for epipelagic


of, relating to, or inhabiting the upper zone of the ocean from just below the surface to approximately 100 metres deep
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
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