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geosyncline

[ jee-oh-sin-klahyn ]
/ ˌdʒi oʊˈsɪn klaɪn /
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noun Geology.
a portion of the earth's crust subjected to downward warping during a large span of geologic time; a geosynclinal fold.
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Origin of geosyncline

First recorded in 1890–95; geo- + syncline
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

How to use geosyncline in a sentence

British Dictionary definitions for geosyncline

geosyncline
/ (ˌdʒiːəʊˈsɪŋklaɪn) /

noun
a broad elongated depression in the earth's crust containing great thicknesses of sediment

Derived forms of geosyncline

geosynclinal, adjective
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 geosyncline

geosyncline
[ jē′ō-sĭnklīn′ ]

A usually elongate, basinlike depression along the edge of a continent, in which a thick sequence of sediments and volcanic deposits has accumulated.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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