euphotic

American  

[yoo-foh-tik] / yuˈfoʊ tɪk /

adjective

1. noting or pertaining to the layer or zone of sea water that receives enough sunlight for photosynthesis to occur, varying greatly with season and latitude, from 0 to 1,200 feet (0–360 meters).

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euphotic British  

/ juːˈfəʊtɪk, -ˈfɒt- /

adjective

1. ecology denoting or relating to the uppermost part of a sea or lake down to about 100 metres depth, which receives enough light to enable photosynthesis to take place

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euphotic Scientific  

/ yo̅o̅-fŏt′ĭk /

1. See photic

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Etymology

Origin of euphotic

First recorded in 1905–10; eu- ( def. ) + photic ( def. 2 )