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[gley-shee-eyt, -see-] /ˈgleɪ ʃiˌeɪt, -si-/
verb (used with object), glaciated, glaciating.
to cover with ice or glaciers.
to affect by glacial action.
verb (used without object), glaciated, glaciating.
to become frozen or covered with ice or glaciers.
Origin of glaciate
1615-25; < Latin glaciātus (past participle of glaciāre to freeze), equivalent to glaci(ēs) ice + -ātus -ate1
Related forms
glaciation, noun
unglaciated, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for glaciation
  • glaciation would have reduced the volume of water in the ocean, storing it as ice.
  • Fjords are found in locations where current or past glaciation extended below current sea level.
  • Well, mostly glaciation with intermittent warming periods.
  • Ultimately endless warming would cause a lot of problems but glaciation through a new ice age would certainly be much, much worse.
  • We do know that there were vast periods of wide glaciation.
  • Of course an increase in freezing and glaciation reduces sea levels.
  • In the seventies the next glaciation period was publicized as beginning.
  • The area covered by ice varied from one glaciation to another.
  • When glaciation ceased, the area was covered with a relatively level drift plain.
  • Some surficial deposits have characteristic shapes, especially in an area where the land has undergone glaciation.
British Dictionary definitions for glaciation


to cover or become covered with glaciers or masses of ice
(transitive) to subject to the effects of glaciers, such as denudation and erosion
Derived Forms
glaciation, noun
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
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Word Origin and History for glaciation

1640s, noun of action from Latin glaciare "to freeze" (see glacis).



1620s, "to freeze;" 1865 in reference to glaciers, from Latin glaciatus, past participle of glaciare "to turn to ice," from glacies (see glacial).

Online Etymology Dictionary, © 2010 Douglas Harper
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