What does abyssal mean in science?
abyssal. / ə-bĭs′əl / Relating to the greatest depths of the oceans and to the organisms that live there. The abyssal zone encompasses all depths below 4,000 m (13,120 ft). Relating to the region of the ocean bottom between the bathyal and hadal zones , from depths of approximately 2,000 to 6,000 m (6,560 to 19,680 ft) ...
abyssal. / ə-bĭs′əl / Relating to the greatest depths of the oceans and to the organisms that live there. The abyssal zone encompasses all depths below 4,000 m (13,120 ft). Relating to the region of the ocean bottom between the bathyal and hadal zones , from depths of approximately 2,000 to 6,000 m (6,560 to 19,680 ft) ...