syncline

[ sing-klahyn, sin- ]
/ ˈsɪŋ klaɪn, ˈsɪn- /

noun Geology.

a synclinal fold.

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Origin of syncline

First recorded in 1870–75; back formation from synclinal
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

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British Dictionary definitions for syncline

syncline
/ (ˈsɪŋklaɪn) /

noun

a downward fold of stratified rock in which the strata slope towards a vertical axisCompare anticline

Derived forms of syncline

synclinal, adjective

Word Origin for syncline

C19: from syn- + Greek klīnein to lean
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 syncline

syncline
[ sĭnklīn′ ]

A fold of rock layers that slope upward on both sides of a common low point. Synclines form when rocks are compressed by plate-tectonic forces. They can be as small as the side of a cliff or as large as an entire valley. Compare anticline.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.