Definition of esker in English:

esker

noun ˈɛskəˈɛskər

Geology

A long ridge of gravel and other sediment, typically having a winding course, deposited by meltwater from a retreating glacier or ice sheet.
〔地质〕蛇（形）丘
Example sentencesExamples
- A large interior plateau contains dense forests, thousands of lakes and peat bogs, and rocky infertile soils associated with a glacially modified landscape with numerous drumlins and eskers.
- The new quarry will destroy the undesignated, unforested eskers and also the burial cairns.
- Late this afternoon, I followed a dry esker, dropped down the ridge and walked right beside a bear den.
- Wetlands may overlie important groundwater aquifers, especially on moraines, eskers, and fluvioglacial deposits.
- The long sand and gravel bodies called eskers were formed in subglacial cave-like tunnels where sand and gravel were deposited by flowing water.

Origin

Mid 19th century: from Irish eiscir.

Definition of esker in US English:

esker

nounˈeskərˈɛskər

Geology

A long ridge of gravel and other sediment, typically having a winding course, deposited by meltwater from a retreating glacier or ice sheet.
〔地质〕蛇（形）丘
Example sentencesExamples
- Wetlands may overlie important groundwater aquifers, especially on moraines, eskers, and fluvioglacial deposits.
- The long sand and gravel bodies called eskers were formed in subglacial cave-like tunnels where sand and gravel were deposited by flowing water.
- Late this afternoon, I followed a dry esker, dropped down the ridge and walked right beside a bear den.
- A large interior plateau contains dense forests, thousands of lakes and peat bogs, and rocky infertile soils associated with a glacially modified landscape with numerous drumlins and eskers.
- The new quarry will destroy the undesignated, unforested eskers and also the burial cairns.

Origin

Mid 19th century: from Irish eiscir.

单词	esker
释义	Definition of esker in English: esker noun ˈɛskəˈɛskər Geology A long ridge of gravel and other sediment, typically having a winding course, deposited by meltwater from a retreating glacier or ice sheet. 〔地质〕蛇（形）丘 Example sentencesExamples A large interior plateau contains dense forests, thousands of lakes and peat bogs, and rocky infertile soils associated with a glacially modified landscape with numerous drumlins and eskers. The new quarry will destroy the undesignated, unforested eskers and also the burial cairns. Late this afternoon, I followed a dry esker, dropped down the ridge and walked right beside a bear den. Wetlands may overlie important groundwater aquifers, especially on moraines, eskers, and fluvioglacial deposits. The long sand and gravel bodies called eskers were formed in subglacial cave-like tunnels where sand and gravel were deposited by flowing water. Origin Mid 19th century: from Irish eiscir. Definition of esker in US English: esker nounˈeskərˈɛskər Geology A long ridge of gravel and other sediment, typically having a winding course, deposited by meltwater from a retreating glacier or ice sheet. 〔地质〕蛇（形）丘 Example sentencesExamples Wetlands may overlie important groundwater aquifers, especially on moraines, eskers, and fluvioglacial deposits. The long sand and gravel bodies called eskers were formed in subglacial cave-like tunnels where sand and gravel were deposited by flowing water. Late this afternoon, I followed a dry esker, dropped down the ridge and walked right beside a bear den. A large interior plateau contains dense forests, thousands of lakes and peat bogs, and rocky infertile soils associated with a glacially modified landscape with numerous drumlins and eskers. The new quarry will destroy the undesignated, unforested eskers and also the burial cairns. Origin Mid 19th century: from Irish eiscir.
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