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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. 2018.
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Examples from the Web for glaciation
Contemporary Examples
Historical Examples
  • It is that of a cold climate, accompanied by glaciation and boulder deposits.

  • The development of glaciation was in strict accordance with existing conditions.

  • The second glaciation was by far the greatest both in Europe and America.

    Men of the Old Stone Age Henry Fairfield Osborn
  • It evidently belongs to the valley or to a later stage of glaciation.

    The Home of the Blizzard Douglas Mawson
  • We have considered the Laurentian highland and the glaciation which centered there.

    The Red Man's Continent Ellsworth Huntington
  • But since destruction by glaciation no way has been opened for their return.

    The Chain of Life in Geological Time Sir J. William Dawson
  • Most of their results are the reverse of those which brought on glaciation.

    Climatic Changes Ellsworth Huntington
  • During the Archeozoic, no evidence of glaciation has yet been discovered.

    Climatic Changes Ellsworth Huntington
  • Yet glaciation is now far less extensive than in the Pleistocene.

    Climatic Changes Ellsworth Huntington
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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