pack ice

See synonyms for pack ice on Thesaurus.com
noun
  1. 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.

Origin of pack ice

1
First recorded in 1840–50

Words Nearby pack ice

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use pack ice in a sentence

  • Towards evening the 'Aurora' turned back to open water and cruised along the pack-ice.

    The Home of the Blizzard | Douglas Mawson
  • When the high wind blew off shore, there was no backswell, on account of the pack-ice to the north quelling the sea.

    The Home of the Blizzard | Douglas Mawson
  • The north appeared to be filled with frozen sea though we could not be certain that it was not dense pack-ice.

    The Home of the Blizzard | Douglas Mawson

British Dictionary definitions for pack ice

pack ice

noun
  1. a large area of floating ice, usually occurring in polar seas, consisting of separate pieces that have become massed together: Also 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 ]


  1. 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.