Get the details behind our redesign


[pree-gley-shuh l] /priˈgleɪ ʃəl/
adjective, Geology
prior to a given glacial epoch, especially the Pleistocene.
1850-55; pre- + glacial Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source
Examples for preglacial
  • In some instances, buried preglacial streams provide extensive groundwater resources.
  • preglacial fluvial sediments ma y underlie the glacial deposits in many of the preglacial valleys.
  • Broad outwash plains are located along the entire northern edge of the preglacial lakes.
  • Often preglacial valleys were filled with glacially derived sediment.
  • The preglacial physiographic provinces are divided by the type of bedrock.
  • They may have developed where preglacial streams had already eroded channels into the weaker parts of the bedrock.
  • Many islandlike remnants of preglacial soils remained after the glacial floods.
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
Cite This Source

Word of The Day

Difficulty index for preglacial

Few English speakers likely know this word

Word Value for preglacial

Scrabble Words With Friends