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ocean trench

^ http://purl.obolibrary.org/obo/ENVO_00000275


Hemispheric-scale long but narrow topographic depressions of the sea floor. They are the deepest parts of the ocean floor. [ https://en.wikipedia.org/wiki/Oceanic_trench ]

Synonyms: Trench, deep sea trench, ocean trench

Term info

database cross reference
has related synonym

deep, undersea trench

id

ENVO:00000275