Challenger Deep

American  

[chal-in-jer deep] / ˈtʃæl ɪn dʒər ˈdip /

noun

1. the deepest known portion of seafloor in the world, located in the Pacific Ocean at the southern end of the Mariana Trench at a depth of 35,840 feet (10,924 meters).

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Etymology

Origin of Challenger Deep

First recorded in 1880–85; after the British Royal Navy survey ship H.M.S. Challenger, whose expedition of 1872–1876 made the first recordings of its depth

Example Sentences

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

From BBC • May 28, 2024

In 2012, the director and deep-sea explorer made a historic solo dive to the Challenger Deep, the deepest known point on Earth.

From Los Angeles Times • Sep. 29, 2023

In discussing the Challenger Deep mission, he emphasized science, not derring-do.

From New York Times • Jun. 22, 2023

This allowed her to focus on scientific observations during the trip to Challenger Deep.

From Scientific American • Jun. 20, 2023

It’s coming as surely as are the beasts that protect the mysteries of Challenger Deep.

From "Challenger Deep" by Neal Shusterman