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euphotic zone

[yoo-foh-tik]

noun

Oceanography.
  1. the layer of sea water that receives enough sunlight for photosynthesis to occur: it varies greatly with season and latitude, from 0 to 1200 ft. (0–360 m).



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Word History and Origins

Origin of euphotic zone1

First recorded in 1960–65; eu- + photic
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Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

"The mining companies send these tailings down a long pipe, down below the euphotic zone, below 200m, and essentially smother everything on the seafloor," explained Prof Andrew Sweetman, a research scientist with Niva.

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