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bathyal

[ bath-ee-uhl ]

adjective

, Oceanography.
  1. of or relating to the biogeographic region of the ocean bottom between the sublittoral and abyssal zones: from depths of approximately 660 to 13,000 feet (200 to 4,000 meters).


bathyal

/ ˈbæθɪəl /

adjective

  1. denoting or relating to an ocean depth of between 200 and 2000 metres (about 100 and 1000 fathoms), corresponding to the continental slope
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012


bathyal

/ băthē-əl /

  1. Relating to the region of the ocean bottom between the sublittoral and abyssal zones, from depths of approximately 200 to 2,000 m (656 to 6,560 ft).


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Word History and Origins

Origin of bathyal1

First recorded in 1925–30; bathy- + -al 1

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bathy-bathylimnetic