Definition:
A "natural depression" is a noun that refers to a low area of land that is lower than the surrounding land. It is often formed by geological processes and can be found in various landscapes, such as valleys, basins, or pits.
In more advanced discussions, you might refer to "natural depressions" in the context of ecology or geology, discussing their role in ecosystems, water drainage, or sedimentation processes.
While there are no direct idioms or phrasal verbs specifically related to "natural depression," you might encounter phrases like:
In summary, a "natural depression" is an important term in geography that describes a low-lying area of land. It is useful in discussions about landscapes, ecosystems, and environmental features.