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Kotomora

超ちょう深しん海かい帯たい

Meanings

1

noun

hadal zone; hadopelagic zone; trench zone

Oceanographic term for the deepest region of the ocean, below about 6,000 meters, typically in deep-sea trenches. Compare with 漸深海帯 (bathyal zone).

See also: 漸深海帯