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drumlin
[ druhm-lin ]
/ ˈdrʌm lɪn /
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noun Geology.
a long, narrow or oval, smoothly rounded hill of unstratified glacial drift.
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Words nearby drumlin
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use drumlin in a sentence
A drumlin is seen, at Great Head, Winthrop, being undermined and worn away by the waves.
British Dictionary definitions for drumlin
drumlin
/ (ˈdrʌmlɪn) /
noun
a streamlined mound of glacial drift, rounded or elongated in the direction of the original flow of ice
Word Origin for drumlin
C19: from Irish Gaelic druim ridge + -lin -ling 1
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Scientific definitions for drumlin
drumlin
[ drÅm′lÄn ]
An extended, oval hill or ridge of compacted sediment deposited and shaped by a glacier. Drumlins are typically about 30 m (98 ft) high and are longer than they are wide. They have one steep and one gentle slope along their longest axis, which is parallel to the direction of the glacier's movement. The steepest slope faces the direction from which the glacier originated, and the gentler slope faces the direction in which the glacier was advancing.
The American Heritage® Science Dictionary
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