Mariana Trench
Americannoun
Etymology
Origin of Mariana Trench
First recorded in 1930–35; named after the Mariana Islands
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
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 ● Nov. 20, 2025
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 ● Oct. 29, 2025
Microplastics have been found in even the most remote corners of the Earth, such as the Mariana Trench, the deepest oceanic trench on the planet.
From Slate ● Apr. 27, 2024
These so-called microplastics are spread throughout the water column and have been found in every corner of the globe, from Mount Everest, the highest peak, to the Mariana Trench, the deepest trough.
From National Geographic ● Feb. 21, 2024
A hug from Mom hadn’t fixed it, but it had pulled Cat’s heart from the bottom of the Mariana Trench to somewhere around sea level.
From "Caterpillar Summer" by Gillian McDunn
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
