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单词 drumlin
释义

WordReference Random House Unabridged Dictionary of American English © 2024
drum•lin  (drumlin),USA pronunciation n. [Geol.]
  1. Geologya long, narrow or oval, smoothly rounded hill of unstratified glacial drift.
  • drum2 + -lin, variant of -ling1 1825–35

Collins Concise English Dictionary © HarperCollins Publishers::
drumlin /ˈdrʌmlɪn/ n
  1. a streamlined mound of glacial drift, rounded or elongated in the direction of the original flow of ice
Etymology: 19th Century: from Irish Gaelic druim ridge + -lin -ling1
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