preglacial

[ pree-gley-shuhl ]

adjective

, Geology.

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

preglacial

/ priːˈɡleɪsɪəl /

adjective

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

Word History and Origins

Origin of preglacial¹

First recorded in 1850–55; pre- + glacial

Example Sentences

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

From Project Gutenberg

It is a bit of preglacial landscape, showing the condition of the entire region before the Glacial epoch.

From Project Gutenberg

Many of the valleys of our present rivers are but patchworks of preglacial, interglacial, and postglacial courses (Fig. 366).

From Project Gutenberg

Rivers as large as the Mississippi and the Missouri were also more or less locally deflected from their preglacial courses.

From Project Gutenberg

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

From Project Gutenberg