Horizon Deep

American  

[huh-rahy-zuhn deep] / həˈraɪ zən ˈdip /

noun

1. the second-deepest known portion of seafloor in the world, located in the South Pacific Ocean’s Tonga Trench at a depth of 35,509 feet (10,823 meters).

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Etymology

Origin of Horizon Deep

First recorded in 1950–55; named after the research vessel Horizon of the Scripps Institution of Oceanography, which discovered the deep in 1952

Example Sentences

And Prof Jamieson will shortly be undertaking dives in Bakunawa that will investigate the world's second deepest location - Horizon Deep, in the Pacific's Tonga Trench, where the seafloor is 10,816m below the surface.

From BBC • May 16, 2024