ocean trench
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Oceanic trench
The oceanic trenches are hemispheric-scale long but narrow topographic depressions of the sea floor. They are also the deepest parts of the ocean floor.

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Babylon English-CzechDownload this dictionary
ocean trench
n. strouha

Earth Science DictionaryDownload this dictionary
ocean trench
A deep, linear, relatively narrow depression in the sea floor, formed by the subduction of oceanic plates.


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