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单词 hadal
释义

hadal

[ heyd-l ]
/ ˈheɪd l /

adjective Oceanography.

of or relating to the greatest ocean depths, below approximately 20,000 feet (6,500 meters).
of or relating to the biogeographic region of the ocean bottom below the abyssal zone.

Origin of hadal

First recorded in 1955–60; Had(es) + -al1

Words nearby hadal

hacktivism, hacktivist, hackwork, Hacky Sack, had, hadal, Hadamard, Hadar, hadarim, Hadas, Hadassah
Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for hadal

hadal
/ (ˈheɪdəl) /

adjective

of, relating to, or constituting the zones of the oceans deeper than abyssal: below about 6000 metres (18 000 ft)See also abyssal

Word Origin for hadal

C20: from French, from Hadés Hades
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Scientific definitions for hadal

hadal
[ hādl ]

Relating to the deepest regions of the ocean, below about 6,000 m (19,680 ft). The hadal zone mostly comprises trenches that can reach depths greater than 10,000 m (32,800 ft).
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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更新时间:2025/3/21 17:32:18