ice age

ice age

noun Geology.
(often initial capital letters) the glacial epoch, especially the Pleistocene Epoch.

Origin:
1870–75
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Ice age is always a great word to know.
So is soil. Does it mean:
portion of the earth's surface consisting of disintegrated rock and humus
to dissolve out soluble constituents from ashes and soil by percolation
Collins
World English Dictionary
ice age
 
n
another name for glacial period

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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American Heritage
Science Dictionary
ice age  
  1. Any of several cold periods during which glaciers covered much of the Earth.

  2. Ice Age. The most recent glacial period, which occurred during the Pleistocene Epoch and ended about 10,000 years ago. During the Pleistocene Ice Age, great sheets of ice up to two miles thick covered most of Greenland, Canada, and the northern United States as well as northern Europe and russia.


The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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