Definition For Trench Ocean Floor

The ryukyu trench stretching out from southern japan is formed as the oceanic crust of the philippine plate subducts.

Definition for trench ocean floor.

The deepest ocean depth to be sounded is in the challenger deep of the mariana trench. Plate tectonics and the ocean floor. A deep furrow or ditch. 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.

A deep furrow or ditch. Natural depression depression a sunken or depressed geological formation. Oceanic trenches typically extend 3 to 4 km 1 9 to 2 5 mi below the level of the surrounding oceanic floor. Some of the most familiar ocean trenches are the result of this type of convergent plate boundary the peru chile trench off the west coast of south america is formed by the oceanic crust of the nazca plate subducting beneath the continental crust of the south american plate.

To dig or make a trench or trenches in land or an area for example. Trenched trench ing trench es v tr. A long steep sided valley on the ocean floor. A long narrow ditch embanked with its own soil and used for concealment and protection in warfare.

Trench definition is a long cut in the ground. Oceanic trenches are topographic depressions of the sea floor relatively narrow in width but very long. Trench a long steep sided depression in the ocean floor. Ocean trench synonyms ocean trench pronunciation ocean trench translation english dictionary definition of ocean trench.

Look it up now. To place in a trench. 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. One used for military defense often with the excavated dirt thrown up in front.