What is another word for oceanic zone?
Pronunciation: [ˌə͡ʊʃɪˈanɪk zˈə͡ʊn] (IPA) 
The oceanic zone, also known as the pelagic zone, is defined as the open ocean habitat that extends from the surface to the deep water regions beyond the continental shelf. Synonyms for the oceanic zone include the open sea, high seas, deep sea, and the abyssal plain. These terms describe the vast, open waters of the ocean that make up over 70% of the earth's surface. Other synonyms for the oceanic zone include the midwater or mesopelagic zone, the bathypelagic zone, and the hadalpelagic zone. Each of these terms refers to specific depths within the oceanic zone, from the surface to the deepest trenches in the ocean floor.
