An elongated ridge of glacial sediment sculpted by ice moving over the bed of a glacier. Eventually, the glacier continues to move forward, but instead of continuing the bulldozing motion, the glacier slides down the other side of the pile, forming the less steep side of the drumlin. Geologists have proposed several theories about their origin. Definition: An elongate hill, streamlined in the direction of ice flow and composed largely of glacial deposits

Irish droim 'back, ridge' + English dim. Drumlin interior exposed in Galway Bay, Ireland. A drumlin is a kind of glacial deposit. A drumlin forms when the glacier bulldozes a pile of sediment (till) forward as it advances. suffix-lin (variant of -ling) Pronunciation . [2] Drumlins occur in symmetric, spindle, parabolic, and transverse asymmetrical forms. These hilly features when viewed from above (plan view) are shaped like teardrops or elongated eggs. Drumlin formation. The shape is often compared to an inverted, blunt-ended canoe. They are formed a short distance within the receding glacier ice and record the final direction of ice movement. Drumlins are elongated hills of glacial deposits. ‘Drumlin’ comes from the Gaelic word droimn;n, meaning ‘smallest ridge.’ Drumlins are made up of glacial till, sand and gravel that were being transported by a moving glacier and left behind. An elongated ridge of glacial sediment sculpted by ice moving over the bed of a glacier. Drumlins are generally found in broad lowland regions,

Drumlin, oval or elongated hill believed to have been formed by the streamlined movement of glacial ice sheets across rock debris, or till. Generally, the down-glacier end is oval or rounded and the up-glacier end tapers. Drumlin definition: a streamlined mound of glacial drift , rounded or elongated in the direction of the... | Meaning, pronunciation, translations and examples lin (drŭm′lĭn) n. An elongated hill or ridge of glacial drift. Drumlin definition: a streamlined mound of glacial drift , rounded or elongated in the direction of the... | Meaning, pronunciation, translations and examples Drumlin definition, a long, narrow or oval, smoothly rounded hill of unstratified glacial drift. An erection confined horizontally by underwear or other constricting clothing , resembling the glacial formation "drumlin." Although not common in Alaska, drumlins cover parts of the Eastern and Midwestern United States (Irish). Diagram of drumlins showing direction of glacial drift. drumlin: 1 n a mound of glacial drift Type of: drift a large mass of material that is heaped up by the wind or by water currents The Stoss end is the steeper of the two ends and used to face into the ice flow.

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