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[dee-gley-shee-ey-shuh n, -see-] /diˌgleɪ ʃiˈeɪ ʃən, -si-/
noun, Geology
the gradual melting away of a glacier from the surface of a landmass.
Origin of deglaciation
1890-95; de- + glaciation Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for deglaciation
  • Although the measurement techniques used by each author differed, everyone is in agreement that the deglaciation is continuing.
  • Following deglaciation, a lake was formed behind the terminal moraine.
deglaciation in Science
The uncovering of land that was previously covered by a glacier. Deglaciation occurs when a glacier melts.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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