Dictionary

eugeosyncline

noun eu·geo·syn·cline \(ˌ)yü-ˌjē-ō-ˈsin-ˌklīn\

Definition of EUGEOSYNCLINE

:  a narrow rapidly subsiding geosyncline usually with volcanic materials mingled with clastic sediments
eu·geo·syn·cli·nal \-(ˌ)sin-ˈklī-nəl\ adjective
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First Known Use of EUGEOSYNCLINE

1942

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