Last Updated：2025/11/22

(geology, oceanography) A hemispheric-scale long but narrow topographic depression of the seabed.

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oceanic trench

Source Word

oceanic trench

Noun

(geology, oceanography) A hemispheric-scale long but narrow topographic depression of the seabed.

Japanese Meaning

海底に存在する、非常に長く狭い凹んだ地形、すなわち海溝のこと。

Marine biologists lowered instruments into the oceanic trench to study unique microbial life adapted to extreme pressure.

海洋生物学者は、極度の水圧に適応した独特の微生物を調査するために、海溝に機器を降ろした。

Sense（1）

(geology, oceanography) A hemispheric-scale long but narrow topographic depression of the seabed.

oceanic trenches

（ plural ）