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ONADlaccolith

laccolith

Flag: gbEnglishOxford New American Dictionary

laccolith /ˈlakəˌliTH, ˈlækəˌlɪθ /
noun Geology a mass of igneous rock, typically lens-shaped, that has been intruded between rock strata causing uplift in the shape of a dome.
– ORIGIN late 19th century : from Greek lakkos reservoir + -lith.