| 单词 | continental shelf |
| 释义 | continental shelfSEE SYNONYMS FOR continental shelf ON THESAURUS.COM noun Physical Geography.the part of a continent that is submerged in relatively shallow sea. Origin of continental shelfFirst recorded in 1940–45 Words nearby continental shelfcontinental philosophy, continental quilt, continental rift, continental rise, continental seating, continental shelf, continental slope, continental system, continently, continents, contingence Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for continental shelfcontinental shelf nounthe sea bed surrounding a continent at depths of up to about 200 metres (100 fathoms), at the edge of which the continental slope drops steeply to the ocean floor 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 Cultural definitions for continental shelfcontinental shelf The region adjoining the coastline of a continent, where the ocean is no more than a few hundred feet deep. The shelf is built up from sediments washed down to the sea by rivers. notes for continental shelfThe continental shelves are often valuable because of the mineral resources and abundant marine life found there. (See offshore drilling.) The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. Scientific definitions for continental shelfcontinental shelf The part of the edge of a continent between the shoreline and the continental slope. It is covered by shallow ocean waters and has a very gentle slope. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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