What is another word for deep-sea floor?
Pronunciation: [dˈiːpsˈiː flˈɔː] (IPA) 
The deep-sea floor refers to the bottom of the ocean, which is more than 200 meters deep. Synonyms for this term include abyssal zone, oceanic trench, deep-sea bed, sea bed, ocean depths, and undersea plain. These zones are often characterized by extreme pressure, darkness and low temperature. The abyssal zone is the deepest part of the ocean and hosts a unique ecosystem of creatures adapted to these conditions. The oceanic trenches are the deepest parts of the ocean floor which are often associated with volcanic activity. Studying the deep-sea floor is crucial to understanding the biodiversity and geological processes of our planet.
