LOPOLITH Meaning of LOPOLITH in English [ 'lɒpə(ʊ)lɪθ ]■ noun Geology a large saucer-shaped intrusion of igneous rock.Originearly 20th cent.: from Gk lopas 'basin' + -lith . Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004