epipelagic

adjective
epi·​pe·​lag·​ic | \ ˌe-pi-pə-ˈla-jik How to pronounce epipelagic (audio) \

Definition of epipelagic

: of, relating to, or constituting the part of the oceanic zone into which enough light penetrates for photosynthesis

First Known Use of epipelagic

1940, in the meaning defined above

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