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"the abyssal depths of the ocean"adjectiveresembling an abyss in depth; so deep as to be unmeasurable
Similar:
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relating to ocean depths from 2000 to 5000 meters
Definition that contains abyssal
- bathyal zone the steep descent of the seabed from the continental shelf to the abyssal zone
- continental slope the steep descent of the seabed from the continental shelf to the abyssal zone
- bathyal district the steep descent of the seabed from the continental shelf to the abyssal zone