abyssal plain

English

Noun

abyssal plain (plural abyssal plains)

1. (geography) 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).
   • 2021 September 27, Jonathan Watts, “Race to the bottom: the disastrous, blindfolded rush to mine the deep sea”, in The Guardian‎^[1]:

     Innocuous as it sounds, this note was a starting gun for a resource race on the planet’s last vast frontier: the abyssal plains that stretch between continental shelves deep below the oceans.

Translations

expanse of flat ocean floor

• Catalan: plana abissal (ca) f
• Finnish: syvänmeren tasanko
• Hungarian: abisszikus síkság
• Irish: má aibhéiseach f
• Portuguese: planície abissal f

References

• Elements of Physical Geography, 4th Edition. →ISBN