| 单词 | esker |
| 释义 | esker[ es-ker ] / ˈɛs kər / SEE SYNONYMS FOR esker ON THESAURUS.COM noun Geology.a serpentine ridge of gravelly and sandy drift, believed to have been formed by streams under or in glacial ice. Origin of eskerFirst recorded in 1850–55, esker is from the Irish word eiscir ridge of mountains Words nearby eskerEsidrix, e-signature, -esis, Esk., Eskalith, esker, Eskilstuna, Eskimo, Eskimo-Aleut, Eskimo curlew, Eskimo dog Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for eskerBritish Dictionary definitions for eskeresker eskar (ˈɛskɑː, -kə)/ (ˈɛskə) / nouna long winding ridge of gravel, sand, etc, originally deposited by a meltwater stream running under a glacierAlso called: os Word Origin for eskerC19: from Old Irish escir ridge 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 eskeresker [ ĕs′kər ] A long, narrow, steep-sided ridge of coarse sand and gravel deposited by a stream flowing in or under a melting sheet of glacial ice. Eskers range in height from 3 m (9.8 ft) to more than 200 m (656 ft) and in length from less than 100 m (328 ft) to more than 500 km (310 mi). The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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