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单词 drumlin
释义

drumlin


drumlin

drum·lin

D0401500 (drŭm′lĭn)n. An elongated hill or ridge of glacial drift.
[From drum, ridge, from Irish Gaelic druim, back, ridge, from Old Irish.]

drumlin

(ˈdrʌmlɪn) n (Physical Geography) a streamlined mound of glacial drift, rounded or elongated in the direction of the original flow of ice[C19: from Irish Gaelic druim ridge + -lin -ling1]

drum•lin

(ˈdrʌm lɪn)

n. a long, narrow or oval, smoothly rounded hill of unstratified glacial drift. [1825–35; drum2 + -lin, variant of -ling1]

drum·lin

(drŭm′lĭn) An extended, oval hill or ridge formed and shaped by a glacier. Drumlins are longer than they are wide and have one steep and one gentle slope along their longest axis.

drumlin

A half-egg-shaped hill of glacial deposits, formed under moving glacial ice.
Thesaurus
Noun1.drumlin - a mound of glacial driftdrift - a large mass of material that is heaped up by the wind or by water currents
Translations

drumlin


drumlin

(drŭm`lĭn), smooth oval hill of glacial driftdrift,
deposit of mixed clay, gravel, sand, and boulders transported and laid down by glaciers. Stratified, or glaciofluvial, drift is carried by waters flowing from the melting ice of a glacier.
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, elongated in the direction of the movement of the ice that deposited it. Drumlins, which may be more than 150 ft (45 m) high and more than 1-2 mi (.8 km) long, are common in New York, Wisconsin, Canada, and Northern Ireland.

drumlin

[′drəm·lən] (geology) A hill of glacial drift or bedrock having a half-ellipsoidal streamline form like the inverted bowl of a spoon, with its long axis paralleling the direction of movement of the glacier that fashioned it.

drumlin


  • noun

Words related to drumlin

noun a mound of glacial drift

Related Words

  • drift
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更新时间:2024/12/22 19:49:09