ice age
n.1. A cold period marked by extensive glaciation.
2. Ice Age The most recent glacial period, which occurred during the Pleistocene Epoch.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
ice age
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
ice′ age`
n. 1. (often caps.) the geologically recent Pleistocene Epoch, during which much of the Northern Hemisphere was covered by great ice sheets.
2. any one of the Permian, Carboniferous, Cambrian, or Precambrian glaciations.
[1870–75]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Ice Age
1. A period during which glaciers advanced to cover large parts of the earth’s surface, the most recent occurring over 11,000 years ago.
2. A time when ice sheets covered much of the Earth. The present Ice Age is only one of several ice ages.
Dictionary of Unfamiliar Words by Diagram Group Copyright © 2008 by Diagram Visual Information Limited