[pree-gley-shuh l]

adjective Geology.

prior to a given glacial epoch, especially the Pleistocene.

Origin of preglacial

First recorded in 1850–55; pre- + glacial Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for preglacial

Historical Examples of preglacial

  • Very likely preglacial man was similarly destitute of this art.

    Man And His Ancestor

    Charles Morris

  • The stream has not yet reached its preglacial profile, but it has almost reached it.

  • There was a preglacial stream divide at the present location of the “Narrows.”


    William J. Miller

  • Mr. Pengelly thinks it possible, but not proved, that the lower breccia of Kent's Cavern may be interglacial or preglacial in age.

  • There is a scarcity of indications of preglacial man in the New World and an abundance of such indications in the Old.

    The Red Man's Continent

    Ellsworth Huntington

British Dictionary definitions for preglacial



formed or occurring before a glacial period, esp before the Pleistocene epoch
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

Word Origin and History for preglacial

also pre-glacial, 1853, from pre- + glacial.

Online Etymology Dictionary, © 2010 Douglas Harper