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单词 pack ice
释义

pack ice

SEE SYNONYMS FOR pack ice ON THESAURUS.COM

noun

a large area of floating ice formed over a period of many years and consisting of pieces of ice driven together by wind, current, etc.
Also called ice pack.

Origin of pack ice

First recorded in 1840–50

Words nearby pack ice

packet, packet switched system, packet switching, packframe, packhorse, pack ice, pack in, packing, packing box, packing case, packing density
Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for pack ice

British Dictionary definitions for pack ice

pack ice

noun

a large area of floating ice, usually occurring in polar seas, consisting of separate pieces that have become massed togetherAlso called: ice pack
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Scientific definitions for pack ice

pack ice
[ păk ]

The floating sea-ice cover of the polar regions. Driven by winds and ocean currents, pack ice is a mixture of ice fragments of varying size and age that are squeezed together and cover the sea surface with little or no open water. At maximum expansion during the winter, pack ice covers about five percent of Arctic waters and about eight percent of Antarctic waters.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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