/yooh foh"tik/ , Oceanog.
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).
[ 1960-65; EU- + PHOTIC ]
/yooh foh"tik/ , Oceanog.
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).
[ 1960-65; EU- + PHOTIC ]
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012