Mariana Trench

American  

[mair-ee-ah-nuh trench, mar-] / ˈmɛər iˌɑ nə ˈtrɛntʃ, ˈmær- /

noun

1. the world’s deepest oceanic trench, a crescent-shaped depression located in the western Pacific Ocean, south and west of the Mariana Islands: site of the Challenger Deep.

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Etymology

Origin of Mariana Trench

First recorded in 1930–35; named after the Mariana Islands

Example Sentences

To put this in perspective, one gigapascal is roughly ten thousand times the pressure of Earth's atmosphere at sea level, or about ten times the pressure at the bottom of the Mariana Trench.

From Science Daily

Temperatures can reach more than 400 degrees Fahrenheit; the pressure can be as high as at the bottom of the Mariana Trench in the Pacific Ocean, the deepest point in the world’s oceans.

From The Wall Street Journal

The deepest part of the ocean lies in the Mariana Trench in the western Pacific Ocean, where the ocean floor lies almost 11,000 feet below sea level — a height that is taller than Mount Everest.

From Salon

From the bottom of the Mariana trench to the top of Mount Everest, there is little escaping the problem.

From Salon

In 2021, the duo ventured together in a submersible to the Challenger Deep and the Sirena Deep in the Mariana Trench.

From BBC