abyssal plains

A form of abyssal plain — A large expanse of very flat and smooth ocean floor, usually found at depths of 4,600 to 5,500 meters (15,000 to 18,000 feet).

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Meanings

noun
  1. pluralplural of abyssal plain
Cite this entry
APA

abyssal plains. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/abyssal%20plains

MLA

“abyssal plains.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/abyssal%20plains. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “abyssal plains,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/abyssal%20plains.

Source: abyssal plains on Wiktionary, CC BY-SA 4.0.