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eugeosyncline
[ yoo-jee-oh-sing-klahyn, -sin- ]
/ yuˌdʒi oʊˈsɪŋ klaɪn, -ˈsɪn- /
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noun Geology.
a former marine zone, bordering an ocean basin, marked by very thick deposits of sediment in which the products of volcanic activity are associated with clastic sediments.
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Origin of eugeosyncline
First recorded in 1940–45; eu- + geosyncline
OTHER WORDS FROM eugeosyncline
eu·ge·o·syn·cli·nal, adjectiveWords nearby eugeosyncline
Eugenius I, Eugenius II, Eugenius III, Eugenius IV, eugenol, eugeosyncline, Euglena, euglenophyte, eugonic, euhedral, euhemerism
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Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023