👉 Counter-trench is a term used in the field of geology. It refers to a region where the surface of an object, such as a rock or soil, is not directly exposed to atmospheric pressure and is instead covered with a layer of material that prevents air from entering. This layer is called the "counter-trench" because it acts like a protective layer around the object. Counter-trenches are often used in environmental studies and can provide important information about the subsurface conditions of an area