| 释义 |
drumlin
 drumlindrum·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.drumlinA half-egg-shaped hill of glacial deposits, formed under moving glacial ice.Thesaurus| Noun | 1. | drumlin - a mound of glacial driftdrift - a large mass of material that is heaped up by the wind or by water currents |
Translationsdrumlin
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.
..... Click the link for more information. , 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
Words related to drumlinnoun a mound of glacial driftRelated Words |