noun geo·syn·cline \-ˈsin-ˌklīn\

Definition of GEOSYNCLINE

:  a great downward flexure of the earth's crust
geo·syn·cli·nal \-ˌsin-ˈklī-nəl\ adjective

First Known Use of GEOSYNCLINE



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July 01, 2015
precarious Hear it
not certain, secure, or steady
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