Bathyal definition
Of or relating to the region of the ocean bottom between the sublittoral and abyssal zones, from depths of 200 to 4,000 meters (660 to 13,000 feet).
adjective
Designating or of the ecological zone (bathyal zone) along the continental slope of the ocean floor between c. 660 and 13,000 ft (c. 200 and 3,960 m)
adjective
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).
Relating to the ocean bottom, between the sublittoral and abyssal zones, at a depth of between 200 and 2000 metres.
adjective
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