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syncline

noun

syn·​cline ˈsin-ˌklīn How to pronounce syncline (audio)
: a trough of stratified rock in which the beds dip toward each other from either side compare anticline

Illustration of syncline

Illustration of syncline
  • cross section of strata showing syncline

Word History

Etymology

back-formation from synclinal

First Known Use

1873, in the meaning defined above

Time Traveler
The first known use of syncline was in 1873

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