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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