ice sheet

noun

: a glacial ice cover : ice cap

the ice sheets on some Greenland promontories

especially : one (as a continental glacier) spreading outward over a large land area and concealing all or most surface features

the great ice sheets covering much of Europe during the ice age

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1. a broad, thick sheet of ice covering an extensive area for a long period of time.

2. a glacier covering a large fraction of a continent.

[1870-75]

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ice sheet noun

A thick sheet of ice covering a large area of land, esp an entire region, as in ice ages

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Main Entry: ↑ice

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ice sheet UK US noun [countable] [singular ice sheet plural ice sheets]

an ice cap

Thesaurus: icebergs and other masses of ice_synonym lakes and ponds_hyponym

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ice sheet,

a broad, thick sheet of ice covering a very large area for a long time.

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n. a permanent layer of ice covering an extensive tract of land, esp. a polar region

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noun, pl ⋯ sheets [count]

: a very large and thick area of ice that covers a region

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ˈice sheet 7 [ice sheet ice sheets] noun (technical)

a layer of ice that covers a large area of land for a long period of time