euphotic zone

[ yoo-foh-tik ]

  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).

Origin of euphotic zone

First recorded in 1960–65; eu- + photic

Words Nearby euphotic zone Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023