/ ˈdrʌmlɪn; NAmE / noun
( geology ) a very small hill formed by the movement of a glacier (= a large moving mass of ice)
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WORD ORIGIN
mid 19th cent.: probably from drum a long narrow hill + -lin (from -ling ).
/ ˈdrʌmlɪn; NAmE / noun
( geology ) a very small hill formed by the movement of a glacier (= a large moving mass of ice)
••
WORD ORIGIN
mid 19th cent.: probably from drum a long narrow hill + -lin (from -ling ).
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005