icecap

[ahys-kap]

ice·cap

[ahys-kap]
noun
a thick cover of ice over an area, sloping in all directions from the center.

Origin:
1850–55; ice + cap1
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Icecap is always a great word to know.
So is ninnyhammer. Does it mean:
a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question.
a fool or simpleton; ninny.
Collins
World English Dictionary
icecap (ˈaɪsˌkæp)
 
n
a thick mass of glacial ice and snow that permanently covers an area of land, such as either of the polar regions or the peak of a mountain

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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American Heritage
Science Dictionary
icecap   (īs'kāp')  Pronunciation Key 
  1. A dome-shaped body of ice and snow that covers a mountain peak or a large area and spreads out under its own weight. Ice caps have an area of less than 50,000 square km (19,500 square mi). Compare ice sheet.

  2. A polar cap.


The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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