[ in-ter-gley-shuh l ]
/ ˌɪn tərˈgleɪ ʃəl /

adjective Geology.

occurring or formed between times of glacial action.


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Origin of interglacial

First recorded in 1865–70; inter- + glacial Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for interglacial

British Dictionary definitions for interglacial

/ (ˌɪntəˈɡleɪsɪəl, -ʃəl) /


occurring or formed between periods of glacial action


a period of comparatively warm climate between two glaciations, esp of 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

Scientific definitions for interglacial

[ ĭn′tər-glāshəl ]


Occurring between glacial epochs.


A comparatively short period of warmth during an overall period of glaciation. Interglacials are characterized both by the melting of ice and by a change in vegetation.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.