oceanic abyss

Found in Anh - Anh (Wordnet)

Definition Noun : A very deep, long, and steep-sided valley or trench on the bottom of the ocean floor. It is one of the deepest parts of the ocean. Usage The term "oceanic abyss" is a formal and scientific noun used primarily in geology, oceanography, and related fields to describe the deepest marine environments. It refers to the physical geographic feature itself. Examples Scientists used a...