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abyssal plain

American  
[uh-bis-uhl pleyn] / əˈbɪs əl ˈpleɪn /

noun

  1. Oceanography. any of various large, level areas of the ocean floor, occurring at depths of more than 10,000 feet (3,000 meters) and covered with a thick layer of sediment.


Etymology

Origin of abyssal plain

First recorded in 1875–80

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.

See Examples For:

These latest international talks continue an ongoing effort to decide what rules should apply to companies that want to collect minerals from the abyssal plain, one of the deepest parts of the ocean.

From BBC Mar. 17, 2024

The CCZ is a vast abyssal plain slightly larger than the European Union, situated between Mexico and Hawaii, dotted with rocky outcrops and seamounts.

From Scientific American Aug. 15, 2023

Standing on a ridge several thousand feet underwater, peering out to the ocean’s abyssal plain, you would see almost nothing.

From New York Times Nov. 10, 2020

But its abyssal plain is also a garden of exotic life forms.

From Science Magazine Mar. 14, 2019

Abyssal sedimentary rocks form on the abyssal plain.

From Textbooks Jan. 1, 2017

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