Definition For Trench Floor

The oceanic trenches are hemispheric scale long but narrow topographic depressions of the sea floor.

Definition for trench floor.

A long narrow ditch embanked with its own soil and used for concealment and protection in warfare. Trench definition a long narrow excavation in the ground the earth from which is thrown up in front to serve as a shelter from enemy fire or attack. Trenched trench ing trench es v tr. Look it up now.

To dig or make a trench or trenches in land or an area for example. The definition of a trench is a long narrow ditch sometimes dug by troops during wartime to hide from enemies. One used for military defense often with the excavated dirt thrown up in front. Meaning pronunciation translations and examples.

How to use trench in a sentence. Trench definition is a long cut in the ground. Noun a long narrow ditch dug in world war i to protect troops from being seen by the enemy is an example of a trench. Oceanic trenches are a distinctive morphological feature of convergent plate boundaries along which lithospheric plates move towards each other at rates that vary from a few millimeters to over ten centimeters per year.

Because sediments are mostly scraped off from the subducting plate as it falls into the mantle the youngest sediments are at the bottom of this triangle and the oldest are at the more flattened area above this is the opposite of most rock formations where geologists must dig deep to. These oceanographic features are the deepest parts of the ocean floor. They also are the deepest parts of the ocean floor. Accretionary wedges are roughly shaped like a triangle with one angle pointing downward toward the trench.

To place in a trench. A long steep sided valley on the ocean floor. Oceanic trenches are topographic depressions of the sea floor relatively narrow in width but very long. Trenches define one of the most important.