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ice sheet

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noun

a broad, thick sheet of ice covering an extensive area for a long period of time.
a glacier covering a large fraction of a continent.

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Origin of ice sheet

First recorded in 1870–75
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

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British Dictionary definitions for ice sheet

ice sheet

noun

a thick layer of ice covering a large area of land for a long time, esp those in Antarctica and Greenland
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 ice sheet

ice sheet

A large sheet of ice and snow that covers an entire region and spreads out under its own weight. Ice sheets have an area of more than 50,000 square km (19,500 square mi). Compare icecap.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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