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periglacial

[per-i-gley-shuh l]
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adjective Geology.
  1. occurring or operating adjacent to the margin of a glacier.
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Origin of periglacial

First recorded in 1925–30; peri- + glacial
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for periglacial

periglacial

adjective
  1. relating to a region bordering a glacierperiglacial climate
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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