bn:00025811n
Noun Concept
Categories: Articles with short description, Oceanographical terminology, Oceanic trenches, Coastal and oceanic landforms, Submarine topography
EN
trench  deep  oceanic abyss  oceanic trench
EN
A long steep-sided depression in the ocean floor WordNet 3.0
Definitions
Relations
Sources
EN
Oceanic trenches are prominent, long, narrow topographic depressions of the ocean floor. Wikipedia
A topographic depression of the sea floor Wikipedia Disambiguation
Depressions of the sea floor Wikidata
A hemispheric-scale long but narrow topographic depression of the seabed. Wiktionary
Depression of the sea floor. Wiktionary (translation)