geosyncline(redirected from Orthogeosyncline)
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A usually elongate, basinlike depression along the edge of a continent, in which a thick sequence of sediments and volcanic deposits has accumulated.
ge′o·syn·cli′nal (-sĭn-klĭ′nəl) adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
(Geological Science) a broad elongated depression in the earth's crust containing great thicknesses of sediment
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
ge•o•syn•cline(ˌdʒi oʊˈsɪn klaɪn)
a portion of the earth's crust subjected to downward warping during a large span of geologic time.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
geosyncline[ˌdʒiːəʊˈsɪnklaɪn] n → geosinclinale f
Collins Italian Dictionary 1st Edition © HarperCollins Publishers 1995