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moraine

Line breaks: mo|raine
Pronunciation: /məˈreɪn
 
/

Definition of moraine in English:

noun

Geology
A mass of rocks and sediment carried down and deposited by a glacier, typically as ridges at its edges or extremity.
Example sentences
  • It is also likely that mass movement is much more common during periods when glaciers are retreating; large moraines and steep valley sides are then unstable because they are no longer supported by the glacier.
  • A moraine is the ground up debris consisting of everything from giant boulders to fine rock powder which a glacier leaves behind.
  • Boulder clay, the most widespread deposit, represents the ground moraine of the ice sheet.

Origin

late 18th century: from French, from Italian dialect morena, from French dialect morre 'snout'; related to morion1.

Derivatives

morainal

1
adjective
Example sentences
  • A medial moraine is a strip of morainal debris in the middle of glacier ice which marks where two glaciers come together.
  • Lloyd Point stands at the western end of a mile long sand and gravel bar, Lloyd Point Beach, that projects west from the morainal deposits that form the bulk of the park.
  • They occur mostly on low gently sloping and flat lands adjacent to morainal hills and they support the richest, tallest forests in the park.

morainic

2
adjective
Example sentences
  • The presence of morainic terrains near the lake makes it possible to produce a high quality wine.
  • Latvia's undulating landscape is dominated by morainic hills and meltwater deposits dating back to the latest glacial epoch.
  • The second method digs or drills tunnels through the morainic dams or surrounding rock; the tunnels are left open to prevent the glacier lakes from forming in the future.

Definition of moraine in:

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Pronunciation: ˈtenəbrəs
adjective
dark; shadowy or obscure