[ pree-gley-shuhl ]

  1. prior to a given glacial epoch, especially the Pleistocene.

Origin of preglacial

First recorded in 1850–55; pre- + glacial

Words Nearby preglacial Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use preglacial in a sentence

  • The rocks are covered with residual clays, the product of long preglacial weathering.

    The Elements of Geology | William Harmon Norton
  • It is a bit of preglacial landscape, showing the condition of the entire region before the Glacial epoch.

    The Elements of Geology | William Harmon Norton
  • Many of the valleys of our present rivers are but patchworks of preglacial, interglacial, and postglacial courses (Fig. 366).

    The Elements of Geology | William Harmon Norton
  • Rivers as large as the Mississippi and the Missouri were also more or less locally deflected from their preglacial courses.

    Geology | William J. Miller
  • The stream has not yet reached its preglacial profile, but it has almost reached it.

British Dictionary definitions for preglacial


/ (priːˈɡleɪsɪəl) /

  1. 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