A sharp drop from a continent to an ocean basin is called a continental slope. This feature marks the boundary between the continental shelf and the deep ocean floor.
continental slope
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An ocean basin is formed when water has covered a large portion of the Earth’s crust. In the distant past, this may have happened when there was an increase in available water, or a fall of landmass. Over a long period of time, an oceanic basin can be created by the spreading of the seafloor and the movement of tectonic plates.
The geologic edge of a continent is typically defined by the continental shelf, which is the submerged part of the continent that slopes downward into the ocean basin. This transition from the continental shelf to the deep ocean is called the continental slope.
The transition zone between an ocean basin floor and a continent is known as the continental shelf. It is the submerged part of a continent that extends from the shoreline to the continental slope. The continental shelf is characterized by relatively shallow waters and is an area of high biological productivity.
The Arctic Ocean Basin
the continental shelf ;)
The lowest point in the Arctic is the Fram Basin. However, the Arctic is not a continent but rather a region. It is located in the northernmost portion of Earth and is an ocean: the Arctic Ocean. It is mostly covered in ice for the majority of the year. Perhaps you meant the continent of Antarctica. Its lowest point is sea level on the Southern Ocean.
The area you are referring to is known as the continental rise. It is located at the base of the continental slope and consists of a thick accumulation of sediments that have been transported down from the continent. The continental rise marks the transition between the continental margin and the deep ocean basin.
The submerged part of the continent between the coast and the edge of the basin is called the continental shelf. It is a gently sloping platform of relatively shallow water that extends from the shoreline to the drop-off point into the deeper ocean.
Abyssal Plain.