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abyssopelagic zone

American  
[uh-bis-oh-puh-laj-ik zohn] / əˌbɪs oʊ pəˈlædʒ ɪk ˌzoʊn /

noun

  1. Oceanography. the region of the abyssal zone of the ocean located in the open sea as opposed to near the shore.

abyssopelagic zone Scientific  
/ ə-bĭs′ə-pə-lăj′ĭk /

  1. A layer of the oceanic zone lying below the bathypelagic zone and above the hadopelagic zone, at depths generally between about 4,000 and 6,000 m (13,120–19,680 ft). The abyssopelagic zone ranges in temperature from 10° to 4°C (50° to 39°F).

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.